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More Power, More Range, More Freedom

Hilltopper Discover Electric Gravel Road Bike

Read 13 reviews
  • Free Shipping to Lower 48
  • Choose Small, Medium, or Large
  • Flash sale! $800 off while supplies last

Conquer the steepest hills and turn every day into an epic adventure! On your Discover you will be ready for anything from backwood roads to rough city streets. Powerful, lightweight, and compact 36V, 350 watt motor provides a consistent cruising speed of 20 mph and the pedal assist adds power to every pedal stroke. While the 650b road bike wheels and wide gravel tires provide comfort and control on gravel, hard pack dirt roads, or city streets. All in a sleek, and stylish package. This is the go anywhere, do everything bike, built for those who love to ride.

$1,699
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FREE SHIPPING TO LOWER 48
  • $100 off your purchase when you buy 2 kits or ebikes with code 2xTheLove
  • $20 off when you add a helmet to any kit or bike order with code LidUp

Specifications

  • Speed20+ mph cruising speed. Choose 4 levels of assist to find the speed that is best for you.
  • Range30-50+ miles of battery range
  • Frame SizeBuilt to fit your body. The small frame is a step through and comfortably fits men and women 4'10 to 5'8. The medium frame fits 5'2 to 5'10, and the large frame comfortably fits 5'8 - 6'5 and over. Built for a comfortable fit on many road surfaces and over long distance.
  • Weight44 lbs (45 lbs with front rack). Lighter than most e-bikes. Light enough to fit on a standard bike rack.
  • Power350 Watts. High torque, energy efficient motor
  • Motor36 V 350 W brushless rear hub motor with built-in speed sensor
  • Battery11.4Ah Samsung removable battery (battery weight - 5.5 lbs)
  • DrivetrainMicroshift Advent 1 x 9 with 11-42 wide ratio cassette & clutch rear derailleur.
  • Throttle & PASTwist Throttle and Pedal Assist System with 4 levels of assist
  • BrakesTektro Mechanical Disc Brakes w/ electric cut off
  • Wheels650b aluminum rim road wheels with 47c Kenda Flintridge gravel bike tires
  • DisplaySlim low profile black and white LCD display. Give the cockpit (handlebars) a sleek, clean look and feel.
  • Battery Lock & GaugeLock keeps you battery secure on the bike. The gauge lets you judge power when it's away from the bike.
  • AccessoriesIncludes a front rack. Lots of braze ons make adding a rear or front rack or child seat easy.
  • Bike Designer Philosophy (Mark T.)"I went for an elegant, versatile & minimalist design for people who love bicycles – no clutter, integrated technology. Built to last with durable, minimal maintenance components."
  • Bike PersonalityA wink. Nod. Let's ride ;)

Discover the Road Less Traveled

An Electric Gravel Bike Built for Adventure

Whatever riding you like to do, be it city streets, or gravel farm roads, the Discover will get you there and back in comfort and style. We designed the Discover to be lightweight and maintenance friendly. The drivetrain is a 1 x 9 system that eliminates the front derailleur while giving you a wide range of gears in back for tackling the hills. And our 36V 350W rear hub motor with built-in torque sensor will give you all the assist you need. We also made sure the Discover has all the attachment points you need to outfit your bike with fenders, lights, racks, bags, and water bottles of your choosing. We are even providing a front rack to get you started.

What is the Difference Between a Gravel Bike and a Road Bike?

The Discover rides the middle path between the mountains and the road

Simply said, a gravel bike is a combination of a road bike (happy on smooth pavement) and a mountain bike (happy playing rough and tumble in the mud). Mellow single tracks, farm roads, gravel, crushed cobblestones, pot holed city streets, tarmac — whatever. The Discover is a machine that's capable of performing on various surfaces while sustaining comfort. For us here at Hilltopper we see the Discover as the perfect bike for those who love to ride and want one bike for all their adventures. To unite their passions, and discover new ones.

Cutting Edge Technology Meets Minimalist Design

Low-maintenance & High Performance Drivetrain

Integral to the performance of the bike, the Discover boasts a modern 1 x 9 drivetrain system. The Microshift Advent system has an advanced, smooth shifting rear derailleur with an innovative design. The 9 speed cassette has a wide ratio, 11-42T, allowing you to find the right gear for the right terrain. The Advent shifter great feel and precise shifts. The entire system is designed from the ground up by Microshift to be user friendly and maintenance light to keep you on the road and riding.

Powerful & Compact Electric Motor

Discover your hidden super powers, one pedal stroke at a time

At the center of things is the Hilltopper Discover 36V 350W rear hub electric motor. Small & compact with a high torque to size ratio, this motor provides a sustained 20 mph cruising speed and higher with pedaling. The torque is roughly equal to two soul cycle instructor's combined pedal power. The rear motor also has a built in torque sensor for smoother, instant, and reliable power transmission with every pedal stroke. Hilltopper motors are legendary for their long lifespan and are maintenance free.

The power to go further, play harder, last longer

Battery range of 30 - 55 miles in a sleek, integrated design

Powering the motor is an advanced 11.4Ah lithium battery. The battery is integrated into the down tube for a sleek design and low weight distribution for better handling. It is easily removed for charging and the keyed lock keeps it safe and sound on your daily errands.

You're in control

We have you covered even if your legs get tired

Throttle or pedal assist? We designed the Discover to have both so you don't have to choose. The PAS (pedal assist system), which uses the built-in torque sensor in the motor, gives you power with each pedal stroke. Choose 1 of 4 levels assist to get you where you need to go. And hey, if the legs can't make it up that hill or you need to quickly accelerate through the intersection, the throttle is there to give you a hand. How fast are you going? What is your battery life? The small sleek LCD screen gives you all the information you need to explore that next bend with peace of mind.

Choose Your Size

Designed for Comfort and Performance

We want to make sure everyone is able to ride that is why we built the Discover in three sizes. The small frame is a step through that comfortably fits men and women 4'10 to 5'8. As a step through it is also good for people new to cycling, or enjoy a little more comfort getting on an off their bike. The medium frame comfortably fits men and women 5'2 to 5'8. The large frame comfortably fits men and women 5'8 - 6'5 and over. With an adjustable saddle, and seat post the Discover easily accommodates many body sizes and riding styles. At 44 lbs the Discover is also one of the lightest e-bikes on the market, making it easier for everyone to carry up stairs, load onto a bus or train, or lift onto a car rack.

Components

  • Microshift Advent 1 x 9 with 11-42 wide ratio cassette, clutch rear derailleur, and narrow wide chainring to prevent dropped chains.

  • Hilltopper 36 V 350 W brushless rear hub motor with built-in torque sensor for smoother, instant, and reliable power transmission with every pedal stroke.

  • The 11.4Ah Samsung removable lithium battery is integrated into the down tube for better handling and a sleek design. It has a key lock for security. Battery range of 30-50+ miles depending on power setting and how much you pedal.

  • 650b aluminum rim road wheels with 47c Kenda Flintridge gravel bike tires

  • Tektro mechanical disc brakes w/ electric cut off

  • Enjoy a boost every time you pedal. The pedal assist sensor gives you 4 levels of assist, and the twist throttle gives you the power when you need it. The LCD display controls how much power the motor adds to your pedal stroke, while also providing real time data on your speed, battery usage, and miles traveled. Elegant handlebar layout and minimalist components give the Discover a clean, sleek cockpit for touring and long rides while having plenty of power at your finger tips.

  • Built to fit your body. The small frame is a step through and comfortably fits men and women 4'10 to 5'8. The medium frame fits men and women 5'2 to 5'10, and the large frame comfortably fits men and women 5'8 - 6'5 and over. With an adjustable saddle, and seat post the Discover easily accommodates many body sizes and riding styles.

Frequently asked questions

  • E-Bikes
  • Payment, Terms & Conditions
  • Philanthropy & Community
  • Warranty, Returns & Shipping

E-Bikes

  • Download and check out the PDF to see the full assembly guide for our 2021 Discover LE (limited edition) Gravel E-bike.

     

    Discover LE Assembly Manual

  • Download and check out the PDF to see the full assembly guide for our 2020 Discover C9 Gravel E-bike.

     

    Discover C9 Assembly Manual

     

  • Simply said, a gravel bike is a combination of a road bike (happy on smooth pavement) and a mountain bike (happy playing rough and tumble in the mud). Mellow single tracks, farm roads, gravel, crushed cobblestones, rough city streets, tarmac — whatever. A gravel bike is a machine that's capable of performing on various surfaces, while sustaining comfort.

    Gravel bikes like the Discover have 650b wheels with wider tires that run at a lower pressure, a slightly more upright posture, and thicker forks that can handle rougher roads. These small changes give a road bike like performance with more comfortable riding on un-paved roads. Gravel bikes like the Discover also have braze-ons (holes for screws) for connecting front and rear racks, and are a popular choice for road cyclist on long rides, bike messengers, urban commuting with bags or kids, bike camping, and long distance touring.

    It is important to note that a gravel bike is NOT a mountain bike and does not have shocks and cannot take jumps, or big drops. It is still a road bike and intended for on-road use. The definition of what it means to be "on-road" is just much broader then your typical road bike, giving you the freedom to explore some wild and beautiful places.

  • Why are Hilltopper Bikes 1/2 the price of other e-bikes on the market? Because we sell direct to you, the customer. Our mission is to create a sustainable future, two wheels at a time and we do that by making e-bikes affordable for you. We intentionally don't sell through dealers, distributors, or retailers because that way of selling means a higher price tag for you. We build our kits and bike wheels with love and care here in Seattle and sell direct to you, so you won't see the large retail markup that would be present if you were buying from a third party. That way you're always getting the best deal on your electric bike.

  • It depends on how fast you want to go, and how steep the hill.

    The 36v, 350 watt kits and bikes can go 20 mph with minimal pedaling. This is the legal limit in most of the US for e-bikes so it's enough power for most bikes. This is a great power for steeper hills, faster commutes & carrying bigger loads. It's like having two Soul Cycle instructors also pedaling for you.

    The 36v, 250 watt Sprinter kit can go 16 mph with minimal pedaling on flat ground, but they perform best as a boost to your pedaling with pedaling required on hills. Perfect if you are looking for an added boost to your ride at an affordable price. Cuts your commute time by 25%, flattens out that hill by 50% & puts a smile on your face.

    The 48v, 750 watt Summit kit can go 20 mph with minimal pedaling. This is the legal limit in most of the US for e-bikes. The motor could go faster, but it is limited at 20 mph for safety and to remain street legal in the US (unlimited it could go 30+ mph). The 750 watt motor can carry large loads up steep hills and accelerates quickly. Perfect if you are looking to cruise consistently at 20 mph over varied terrain or climb absurdly steep and long hills while hauling groceries. It's more power then you might need. But its a lot of fun and gives you the piece of mind that you can accelerate out of any sticky situation.

  • All Hilltopper electric bikes and kits have a maximum speed of 20 mph. This keeps them street legal and compliant with state laws and city ordinances in the US.

    For choosing a power system, here's what to keep in mind:

    The 36v, 350 watt kits (Horizon) can go 20 mph with minimal pedaling. This is great for steeper hills, faster commutes & carrying bigger loads.

    The 36v, 250 watt kits (Sprinter) can go 15 mph with minimal pedaling on flat ground, but they perform best as a boost to your pedaling with pedaling required on hills. Perfect if you are looking for an added boost to your ride at an affordable price. Cuts your commute time by 25%, gives a boost up hills & puts a smile on your face.

  • When you buy a bicycle from Hilltopper we donate a bike in your name to a child in need here in Seattle. Your gift of a bicycle helps young people develop self-reliance, leadership, and life skills at BikeWorks.org, a community driven non-profit here in Seattle. Low-income children at Bike Works receive their donated kids bike at a family bike swap. Teens receive their donated bike as part of the Earn-a-bike program, where they learn how to build and repair bicycles, put their new skills to good use by volunteering to help others fix their bike, and earn a new bike at the end.

    • For all returns or warranty claims contact support@hilltopperbikes.com
    • 30-day money back guarantee. Returns of undamaged conversion kits may be issued full refunds less a $50.00 restocking fee. Returns of undamaged complete bikes may be issued full refunds less a $100.00 restocking fee.
    • Warranty only applies to original owner (non-transferable).
    • 1-year standard warranty on all batteries. 2-year standard warranty on all other components.
    • Warranties can be used for an exchange of a component only once.
    • Customer pays return shipping on warrantied component inspections. Please note some battery returns may require special documentation and packaging, and these instances will encounter extra fees. This is in order to correctly comply with lithium battery shipping regulations. For all return shipping we recommend using a local shipping service like FedEx office or the UPS Store.
    • If you have a quality issue with a product please contact support to help diagnose the problem. If a product does not meet our high quality standards, then we will issue you a replacement component or fix the original at no additional cost. Replacement components will only be sent after we have received your returned component and finished an inspection to determine the cause of any problems. Hill Topper Bikes is not responsible for return shipping.
    • Do-It-Yourself modifications, normal wear, and damage due to gross negligence or abuse are not covered by the warranty.

    Please contact support@HilltopperBikes.com to initiate a return.

    Return address:

    Please be sure to include a note with your items that has your name, email address, phone number, order number, and why you are returning it. Without this information, we are unable to process your return.

    Hilltopper Bikes
    Technical Support Team Attn: (Order Number)
    225 S Lucile St.
    Seattle, WA 98108
    USA

Payment, Terms & Conditions

  • The easiest way to pay is by credit card on our secure website (credit card is processed by STRIPE, an encrypted credit card processor used by millions of business). For your security we do not store your credit card information, so future orders require that you enter your information again. We accept Visa, Mastercard, American Express, Discover, JCB, Diners Club, China UnionPay, credit and debit cards. This is the easiest, and fastest way to pay.

    If you wish to pay by check you can place on order over the phone by calling 1 855 743 3279. Once your check is received your order will ship. This method is slower (since we need to wait for the check to arrive before shipping the order).

    You can also pay by check, credit card, or cash in person at our e-bike shop here in the Sodo neighborhood of Seattle. 920 S Holgate, #107, Seattle, WA 98134. We'd love to see you, hear your story, and show off our shop!

  • Why are Hilltopper Bikes 1/2 the price of other e-bikes on the market? Because we sell direct to you, the customer. Our mission is to create a sustainable future, two wheels at a time and we do that by making e-bikes affordable for you. We intentionally don't sell through dealers, distributors, or retailers because that way of selling means a higher price tag for you. We build our kits and bike wheels with love and care here in Seattle and sell direct to you, so you won't see the large retail markup that would be present if you were buying from a third party. That way you're always getting the best deal on your electric bike.

  • You read that right, free shipping* on all orders!

    (*Applies only to orders in the contiguous 48 states.)

  • If you are unsatisfied for any reason with any of our products you can return it for a refund up to 30 days after purchase.

    • For new, undamaged items to be returned for refund, shipping is free plus a $50 restocking fee per kit and a $100 restocking fee per bicycle. Please contact support@hilltopperbikes.com or 1 800 805 9053 x 2 to initiate this type of return. While federal regulations prevent us from providing you with a return label, we are more than happy to reimburse you for basic UPS or FedEx ground return shipping (within the 48 contiguous states) if sent back within 30 days of receiving the item. Please contact support@hilltopperbikes.com if you’d like to initiate a return.
    • Customer pays return shipping for warrantied component inspections. Please note some battery returns may require special documentation and packaging, and these instances will encounter extra fees. This is in order to correctly comply with lithium battery shipping regulations. For all return shipping we recommend using a local shipping service like FedEx office or the UPS Store.

    Please contact support@hilltopperbikes.com to initiate a return.

    Return address:

    Please be sure to include a note with your items that has your name, email address, phone number, order number, and why you are returning it. Without this information, we are unable to process your return.

    Hilltopper Bikes
    Technical Support Team Attn: (Order Number)
    225 S Lucile St.
    Seattle, WA 98108
    USA

  • We stand behind the quality of our products:

    • 30 day money back guarantee on all orders. Returns of undamaged conversion kit may be issued a full refund less a $50.00 restocking fee. Returns of undamaged electric bikes may be issued a full refund less a $100.00 restocking fee. For free basic UPS or FedEx Ground shipping (within the 48 contiguous states) on items to be returned for refund, please contact us.
    • Lifetime technical support. Reach out to support@hilltopperbikes.com for help from our team of experts.
    • 1 year extensive warranty on all bikes and conversion kits. See warranty & return policy for details.
    • For all returns or warranty claims contact support@hilltopperbikes.com
    • 30-day money back guarantee. Returns of undamaged conversion kits may be issued full refunds less a $50.00 restocking fee. Returns of undamaged complete bikes may be issued full refunds less a $100.00 restocking fee.
    • Warranty only applies to original owner (non-transferable).
    • 1-year standard warranty on all batteries. 2-year standard warranty on all other components.
    • Warranties can be used for an exchange of a component only once.
    • Customer pays return shipping on warrantied component inspections. Please note some battery returns may require special documentation and packaging, and these instances will encounter extra fees. This is in order to correctly comply with lithium battery shipping regulations. For all return shipping we recommend using a local shipping service like FedEx office or the UPS Store.
    • If you have a quality issue with a product please contact support to help diagnose the problem. If a product does not meet our high quality standards, then we will issue you a replacement component or fix the original at no additional cost. Replacement components will only be sent after we have received your returned component and finished an inspection to determine the cause of any problems. Hill Topper Bikes is not responsible for return shipping.
    • Do-It-Yourself modifications, normal wear, and damage due to gross negligence or abuse are not covered by the warranty.

    Please contact support@HilltopperBikes.com to initiate a return.

    Return address:

    Please be sure to include a note with your items that has your name, email address, phone number, order number, and why you are returning it. Without this information, we are unable to process your return.

    Hilltopper Bikes
    Technical Support Team Attn: (Order Number)
    225 S Lucile St.
    Seattle, WA 98108
    USA

Philanthropy & Community

  • When you buy a bicycle from Hilltopper we donate a bike in your name to a child in need here in Seattle. Your gift of a bicycle helps young people develop self-reliance, leadership, and life skills at BikeWorks.org, a community driven non-profit here in Seattle. Low-income children at Bike Works receive their donated kids bike at a family bike swap. Teens receive their donated bike as part of the Earn-a-bike program, where they learn how to build and repair bicycles, put their new skills to good use by volunteering to help others fix their bike, and earn a new bike at the end.

Warranty, Returns & Shipping

  • Hilltopper kits are hand built in batches by our team of craftspeople, and each kit is rigorously tested before leaving our shop.

    For full kit purchases and any purchases containing a battery, please expect 7 - 14 business days for our team to build, test, and ship your kit.

    For smaller items, such as accessories or components, please expect 1 - 3 business days for our team to process and ship your items.

    For more detailed information, please check the product page of each kit for the latest updates regarding availability or email us at support@hilltopperbikes.com.

  • You read that right, free shipping* on all orders!

    (*Applies only to orders in the contiguous 48 states.)

  • If you are unsatisfied for any reason with any of our products you can return it for a refund up to 30 days after purchase.

    • For new, undamaged items to be returned for refund, shipping is free plus a $50 restocking fee per kit and a $100 restocking fee per bicycle. Please contact support@hilltopperbikes.com or 1 800 805 9053 x 2 to initiate this type of return. While federal regulations prevent us from providing you with a return label, we are more than happy to reimburse you for basic UPS or FedEx ground return shipping (within the 48 contiguous states) if sent back within 30 days of receiving the item. Please contact support@hilltopperbikes.com if you’d like to initiate a return.
    • Customer pays return shipping for warrantied component inspections. Please note some battery returns may require special documentation and packaging, and these instances will encounter extra fees. This is in order to correctly comply with lithium battery shipping regulations. For all return shipping we recommend using a local shipping service like FedEx office or the UPS Store.

    Please contact support@hilltopperbikes.com to initiate a return.

    Return address:

    Please be sure to include a note with your items that has your name, email address, phone number, order number, and why you are returning it. Without this information, we are unable to process your return.

    Hilltopper Bikes
    Technical Support Team Attn: (Order Number)
    225 S Lucile St.
    Seattle, WA 98108
    USA

  • We stand behind the quality of our products:

    • 30 day money back guarantee on all orders. Returns of undamaged conversion kit may be issued a full refund less a $50.00 restocking fee. Returns of undamaged electric bikes may be issued a full refund less a $100.00 restocking fee. For free basic UPS or FedEx Ground shipping (within the 48 contiguous states) on items to be returned for refund, please contact us.
    • Lifetime technical support. Reach out to support@hilltopperbikes.com for help from our team of experts.
    • 1 year extensive warranty on all bikes and conversion kits. See warranty & return policy for details.
    • For all returns or warranty claims contact support@hilltopperbikes.com
    • 30-day money back guarantee. Returns of undamaged conversion kits may be issued full refunds less a $50.00 restocking fee. Returns of undamaged complete bikes may be issued full refunds less a $100.00 restocking fee.
    • Warranty only applies to original owner (non-transferable).
    • 1-year standard warranty on all batteries. 2-year standard warranty on all other components.
    • Warranties can be used for an exchange of a component only once.
    • Customer pays return shipping on warrantied component inspections. Please note some battery returns may require special documentation and packaging, and these instances will encounter extra fees. This is in order to correctly comply with lithium battery shipping regulations. For all return shipping we recommend using a local shipping service like FedEx office or the UPS Store.
    • If you have a quality issue with a product please contact support to help diagnose the problem. If a product does not meet our high quality standards, then we will issue you a replacement component or fix the original at no additional cost. Replacement components will only be sent after we have received your returned component and finished an inspection to determine the cause of any problems. Hill Topper Bikes is not responsible for return shipping.
    • Do-It-Yourself modifications, normal wear, and damage due to gross negligence or abuse are not covered by the warranty.

    Please contact support@HilltopperBikes.com to initiate a return.

    Return address:

    Please be sure to include a note with your items that has your name, email address, phone number, order number, and why you are returning it. Without this information, we are unable to process your return.

    Hilltopper Bikes
    Technical Support Team Attn: (Order Number)
    225 S Lucile St.
    Seattle, WA 98108
    USA

Accessories

Reviews (13)

5.0 / 5
Michael Johnson

I”ve ridden all my life, but I’m 73 and have sustained a bit of damage along the way. I recently moved to Bushkill in the Pocono mountains and initially thought I would no longer be unable to ride, given this terrain. This morning, on my Hilltopper, I climbed from a crossing of the Saw Creek at 680 ft. to the top of the ridge between the Saw Creek and the Little Bushkill at 1100 ft. Google Earth it. The climb is 1.3 mile. Most of it with assist 3, no throttle. I got a little winded, but did not need to stop. It’s like having bionic legs, or an exoskeleton on wheels, or if a bicycle was a guitar, it would be like riding the amplifier.

I find the shifter to be a bit hessitant downshifting under the torque of a climb, sometimes needing a double click to get the shift. But that could well just be me learning to use it. Shifting pedal assist in sync with shifting gears takes some practice.

I wanted to change the position of one of the brake levers and they are both on so tight that I could not loosen them without clearly risking stripping the the interior of the bolt.

Packaging was good. Suffered a bit of no fault puncture damage. I think the front rack got bent a little, but not important. Assembly was a piece of cake.

The Hilltopper Discover is a solid machine and an awesome ride.

Paul S.

I had a similar bike set up I put together in the late eighties, without the battery, and using a chain.I love turning it on for the uphill from downtown.

Karen Orso

Seems like the right bike for me…..simple and not requiring a thick user manual.

Tucker

My girlfriend and I are loving cruising around on these – what a killer ride! Today’s e-bike market is very confusing, and this bike clears things up with an excellent combination of features at a great price. Cannot overstate how smooth and quiet the ride is. And it rides beautifully without any battery assist, which was important to us in case we ever run out of battery, or want to leave the battery at home. The gravel style setup is ideal for cruising around the city, but being comfortable taking it off pavement and/or riding when it’s wet or snowy. Thank you Hilltopper for a great product!