Hill Topper Electric Bike Kit

Hill Topper Electric Bike Kit
Hill Topper Electric Bike Kit

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Battery type:
Wheel size:
Price: From $499.00 to $1,049.00


Product Reviews

(565 Ratings, 96 Reviews) Average Rating:
Simple and Right
Mike H (Midwest) 9/7/2016 6:10 PM
For anyone wanting a real quality ebike conversion that is simple to install and maintain this is it. I installed the 24V 20 mile kit on a 24" Tern folding bike and it was a perfect match. The bike will scoot along in high gear at 20 mph and you will fill like superman on the pedals. Not as sophisticated as a sensing pedal assist system but for most of us we are just going to run it wide open all the time anyway so you don't need the rest of the junk that comes with the Chinese kits. These are well made and economical in design to minimize weight and maximize distance. If you want to build a dragster then the high watt kits might be be a better fit but if you are looking for good transportation across town this is the dependable way to go. It is a high quality kit and the cleanest you will find.
Simple, efficient, perfect
Jon (Seattle) 8/26/2016 12:38 PM
For anyone considering the 350-watt system, here’s what I’ve experienced. Up mild grades that are normally ridden at a slow but manageable pace, the motor can double my road speed and greatly reduce the applied effort. On level ground, the hub makes pedaling optional. When the bike’s panniers are loaded with groceries, steep hills that typically have me working hard and sweating in granny gear become much less challenging. I do have to approach these mini-mountains at about 10 mph and then maintain a quick cadence to keep the motor in its happy rpm zone. These motors are intended to ‘assist' you and on a long climb it’s sooo nice to have the boost. My normal grocery run without power assist would take about 45 minutes of riding round-trip. I live on top of a hill and about 80% of that time was climbing back home. With the 350 hub, I can do the journey in around 20 minutes if I'm heavy on the throttle and don't cheat on the leg work. Now, I can buy ice cream. :) I haul my bike inside a small hatchback car when occasionally traveling to distant ride sites and that always requires removal of the front wheel. To remove the 350 hub, the only tool needed for the 18mm axle nuts is a Crescent wrench. With the wheel off and the battery bag unstrapped from the rack, the bike is then as lightweight and easy to load as it was before the power assist was added. Also, if you ride trails that do not allow motorized bikes, it’s just as simple to put the original front wheel back on. From what I’ve seen out in the e-bike world, that versatility is a rare feature…. and I really appreciate it.
Outstanding E Conversion of Standard Bicycle
John Schuster (Woodbury, Minnesota) 8/23/2016 2:57 PM
When I ordered I made a mistake and ordered the wrong wheel size. I was immediately shipped the correct one and later reimbursed after I sent the wrong one back. I have the 36 Volt. On the hills and slopes where I live, I am now getting over 12 miles on a charge. I have learned to throttle only when I need extra power. I plan to buy a spare battery and then get 25 miles. This is good since I weigh over 200 lbs. and the original rating is for a 170 lb. on flat terrain. So, I am very pleased. I am 70 years old.
Like an angel put its hand on your back to help!
Deborah Bennett (Colorado) 8/22/2016 3:10 PM
My husband and I purchased 12 mile batteries for our hybrid style mountain bikes. We're 66 and 68, fit but facing decreasing endurance for longer rides. Before the Hill Topper kits on our bikes, we'd think twice about a 15 mile ride on single track. We travel frequently and are always searching for great places to ride in the dirt. Now we have confidence that our batteries will help us get back to the van. We try to use the battery only when necessary to conserve power for the return. Having the angel's hand on your back when a hill looms has made so much difference in our enjoyment. It's all the pleasure without the pain! We've gone further with less energy expended than we ever did before. Here in Salida Colorado we've been on some great biking trails in the hills above town, "hitting the button " just to get a boost up a rise or gully. Then when we return to the van, we plug the chargers into an inexpensive inverter in the 12 volt outlet and charge them up with the van's battery, either while parked for the night or while traveling down the road. Our only challenge has been in guessing how much battery remains, which is quite dependent upon the height of the hills and distance, of course. My husband's battery is gone before mine, as he outweighs me by 70 pounds. He probably should have bought the 20 mile battery. Others have written about using the Hill Topper in town on familiar turf, but we want to say that mountain biking with the battery is a blast and you'll have so much fun! If you decide to buy one, you'll get a discount if you use the referral code "deborahbennett" at checkout.
Good low-cost commuting ebike kit, modest power adequate
Dewey (Arlington, VA) 7/12/2016 7:28 AM
I live in Arlington, VA and due to recent MetroRail track work I chose the hill topper electric front wheel kit to ride the 4 miles to and from work in the Foggy Bottom neighborhood of Washington, DC. From the banks of the Potomac River at Rosslyn, the Custis and Arlington Blvd Trails rise about 600 feet in two miles to the neighborhoods behind Arlington National Cemetery which have 'Heights' in the name. I bought the $500 economy 8-mile model that adds about 20 pounds to my heavy steel 1990's 21-speed hybrid. Combined weight of me, the bike, plus my commuting gear, means this little 250 watt 8fun motor is hauling about 280 pounds. With the motor I can ride up the hills in middle gear and with hard pedalling manage about 6-8mph, on the steepest sections of the hills the motor cannot pull the weight so it feels like I am riding a tandem with one other rider helping which is still an improvement on no assistance and I appreciate the exercise. On the flats or a slight incline I find myself staying mostly in top gear and averaging about 10-12mph. On the downhill the motor doesn't provide assistance which is great if like me you don't want to go faster than 15mph. I appreciate the modest boost when taking off from a full stop on the road at a stop sign or traffic light signal.

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Your bike becomes an E-bike in 5 minutes.

  • Faster than a car! Bikes are faster than cars in total commute terms. Avoid delays of traffic, parking and indirect routes. It's cheaper too: no maintenance, insurance, or gas!
  • No new bike required Convert your own bike to electric power in minutes from home.
  • Fun and healthy Ride farther, longer, and more often, conquer "that one darn hill", and arrive without sweat!

Excellent Prices

$499-$1,049 with battery choice at left of screen.
  • How far do you have to go? Price for complete kit
    Economy$4998 miles5 lbs24-volt Lithium
    Sprinter$59912 miles3 lbs24-volt Lithium
    Commuter$69920 miles4.5 lbs24-volt Lithium
    Ranger$79912-20 miles7.5 lbs 36-volt Lithium
    Twin Pack$104940 miles4.5 lbs*224-volt Lithium
  • Shipping Costs about $35-$50 inside U.S. and $100-200 international. Calculate exactly in shopping cart.

All Parts Included 24v/36v

Motorwheel, Battery, Charger. Ride the day it arrives! Click for specifications.
Battery & Wheel included. Choose your battery and wheel size pair from the drop-down menu to the left.
Includes (everything you need to ride the day your kit arrives):
  • Complete Wheel 24", 26", 700c (28" and 29") Sizes available. (tube, tire, rim) with 250-watt, 24-volt or 350-watt, 36-volt brushless planetary hub motor (motor is sealed, rain and mud-proof). Compatible with disc or regular brakes. The 250-watt motor wheel assists you up to 15mph when you engage the Grip Switch while the 350-watt Ranger assists you up to 20mph. Makes you feel three times stronger. Click for more specs
  • Battery 12-Mile Lithium Sprinter: 6.6Ah 3lb (2.5"x3"x8"); 20-Mile Lithium Commuter: 10Ah 4.5lb (3"x5"x8"); 40-Mile Twin Pack includes a pair of two 20-Mile Lithium batteries; 8-Mile Economy: 7Ah 5lb Lithium type battery (6"x6"x4.5"); 36-volt, 7Ah 7.5lb (6"x4"x11") Pre-installed in a rain and mud-proof quick-attach seat bag (choose in drop-down menu). Click for more specs
  • Grip Switch (24v) or Variable Thumb Throttle (36v) On/Off handlebar motor control installs quickly, lets YOU control when the battery gets used (for 250 watt kits only). Our new 350-watt, 36-volt Ranger kits includes a variable speed thumb throttle.
  • Charger (smart/auto shutoff) for U.S./International 110-240v, 50-60hz wall sockets or extension cords.
  • Specs More specs? click on the topic: battery or wheel

Does it fit my bike? Yes!

Click here to confirm. Buy with confidence.

Shipping & Warranty

Ready to ship today!
  • Standard 2-year warranty on all parts except for the battery, which is covered by a 1-year warranty. If you have any quality issue with any electric bike kit component we'll replace it at no extra charge. Additional 2 year warranty coverage available (choose in Order Box to the left). See details
  • Shipping Costs About $30 inside U.S. and $50-100 International. Calculate in shopping cart.
  • Approximate Canadian Ground Shipment Fees
    Value: $399-$1049
    Customs: $91.01-$180.01


Great video sent from a customer: