
The Hill Topper electric bike kits are among the best of the kits out there today in their respective power range & here are just a few of the reasons.
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The Clean Republic engineers & other company representatives travel internationally to meet with producers and engineers to find the best motors, batteries, and electronics.
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Hill Topper kits are assembled and quality checked in the USA along with other locally manufactured components.
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Clean Republic has a 100% commitment & focus to their Customers & to their products. They are not being side tracked with building & or distributing other types of unrelated equipment.
Bigger is not always better.
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Hill Topper hub motors are a 250 watt planetary DC brushless type motor, weighing just six pounds with a freewheel bearing design allowing for a zero drag when the power is not applied. Couple this to the additional weight savings you get from a 24 volt system & you have one of the smallest & lightest systems on the market today. Not to mention one of the simplest. Yet the Hill Topper still has a 15 mph top speed when running a standard wheel size.
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The light weight & the simple design are not only a benefit to the rider who after all is still riding a bicycle but it contributes to making it one of the easiest units to assemble.
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Finally this light weight & simple design make it a very flexible unit. After all a lot of us aren’t content to just electrify our stock bicycle & call it quits.
I mention a final thought before moving to the details of the Hill Topper. I say that the Hill Topper electric bike kits are among the best of the kits out there in their respective power range . Then I say that bigger is not always better & tell you why.
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The Hill Topper @24 volts & 250 watts is in the smallest class of hub motors. From here we move to the 400 to 500 watt motor.
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Next move up the ladder is the 600 to 750 watt size hub motor.
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Finally the top rung of that ladder is the 1000 watt hub motor.

Although you might find a 24 volt 400 watt motor the next jump in voltage as the wattage increases beyond 400 watts would be to 36 volt & then to 48 volt. We can also include a 72 volt with the higher wattage motors. Your bike will retain almost all of its orginal caricteristics after installing the Hill Topper kit on it. By moving up to the next class size of hub motors & batteries you will lose just a bit more of that bicycle feel. I tell you this to help you make the right choice. If you weigh 250 lbs & want to commute 12 hilly miles to your bank job in a suit & tie without breaking a sweat you might just need something a little bigger. Here is a link to a web page by Eric Peltzer called ELECTRIC BICYCLE & POWER ASSIST FAQ http://www.electricycle.com/PA_FAQ.htm. If you have just started on your search for an electrical bike kit you might want to take a look at his site along with some of the other technical sites out there. If on the other hand you already know exactly what your after well then read-on.
What follows is the details for the Hill Topper Electric Bicycle Conversion Kit with the 20 mile Lithium Battery Option.
Specifications:
Wheel
Spokes: Two cross lacing pattern, steel 13 gauge (2.1mm) spokes, Length: 700C- 261mm, 26”- 229mm, 24”- 205mm Rim: Alexrims, Alex101, Sturdy single-wall alloy mountain bike rim Tire:: Raised center black urban, 1.75″, 40-65 PSI Motor: 6lb, 250W 24v planetary brush-less BLDC PWM, 210rpm.Notes: 36 Hole for spokes. Disc brake mount optional (uses customer’s own disc rotor) 6 screw mounting.
Lithium Battery Pack. (20 mile) Can still pedal if charge is lost.
Lithium: 20 mile range, 6lb, Lithium-cobalt-manganese chemistry, 24v 8.5AH, 6 hour recharge rate, 500 cycle life.
Battery bag & casing: Tough 1050 denier ballistic-grade nylon weatherproof cargo bag with 3 heavy-duty straps. Rugged internal aluminum shock and weatherproof case
Regulator: Included and internally pre-wired into all battery packs. 24v, 7A rated current, 15A max current, 20.5v low-voltage battery protection shutoff, Pulse Width Modulation (PWM), advanced TDR motor position sensing)
Charger: runs on 120-240 volts, 50/60 Hz., Output: Lithium charger: 29 v, SLA charger: 27v. Smart auto-shutoff functions, over-charging protection.
Warranty Specifics:- 30-day money back guarantee. Returns of undamaged kits may be issued full refunds less shipping costs.- 1-year standard warranty on all components, including battery.- 3-year extended warranty ($29) on all components, not including battery performance.- Warranties can be used for an exchange of a component only once.- Customer pays return shipping on returns or warranted component inspections.
What follows is the details for the Hill Topper Electric Bicycle Conversion Kit with the 10 mile Sealed Lead-Acid Battery (SLA) Option
Specifications:
Wheel
Spokes: Two cross lacing pattern, steel 13 gauge (2.1mm) spokes, Length: 700C- 261mm, 26”- 229mm, 24”- 205mm Rim: Alexrims, Alex101, Sturdy single-wall alloy mountain bike rim Tire:: Raised center black urban, 1.75″, 40-65 PSI Motor: 6lb, 250W 24v planetary brush-less BLDC PWM, 210rpm. Notes: 36 Hole for spokes. Disc brake mount optional (uses customer’s own disc rotor) 6 screw mounting.
SLA Battery Pack. (10 mile) Ccan still pedal if charge is lost.
Sealed Lead-Acid Battery (SLA): 10 mile range, 11lb, 24v 8.0AH, 2.5 hour recharge rate, 400 cycle life.
Battery bag & casing: Tough 1050 denier ballistic-grade nylon weatherproof cargo bag with 3 heavy-duty straps. Rugged internal aluminum shock and weatherproof case.
Regulator: Included and internally pre-wired into all battery packs. 24v, 7A rated current, 15A max current, 20.5v low-voltage battery protection shutoff, Pulse Width Modulation (PWM), advanced TDR motor position sensing)
Charger: runs on 120-240 volts, 50/60 Hz., Output: Lithium charger: 29 v, SLA charger: 27v. Smart auto-shutoff functions, over-charging protection.
Warranty Specifics:- 30-day money back guarantee. Returns of undamaged kits may be issued full refunds less shipping costs.- 1-year standard warranty on all components, including battery.- 3-year extended warranty ($29) on all components, not including battery performance.- Warranties can be used for an exchange of a component only once.- Customer pays return shipping on returns or warranted component inspections.
Where can you buy it & for how much?
In my travels around the internet I have seen The Hill Topper electric bike kits being sold by a number of Web Sites. Some of these sites where better than others to be sure. I suspect that most of them link back to a very small selection of retailers, Clear Republic themselves or a fulfilment center like Amazon.com. Prices range from $795.00 to $825.00 for the Hill Topper with the Lithium Battery Option & $399.00 to $440.00 for the Hill Topper with the SLA Battery Option. Freight will run $20.00 to $30.00 for either one. The only other cost is the optional 3-year extended warranty for $29.00.
I suspect that when the dust settles the final price difference is going to be pretty small. Amazon.com usually offers the most payment options & sometimes has extended terms as well. I included the links for the Hill Topper Electric Bicycle Conversion Kits @ amazon.com below. To check the prices at some other places just copy and paste Hill Topper Electric Bicycle into your search engine & check around. Regardless of where you buy your Hill Topper Clear Republic stands behind their product. You just won’t find a more customer service oriented company.
Lithium Battery Option. @ Amazon.com
Sealed Lead-Acid Battery (SLA) Option @ Amazon.com
Customer Reviews & Stories.
Great transportation, March 27, 2011By Newt
Electric Bicycle Conversion Kit SLA (Misc.)This application is simple and sound. It makes an excellent addition to any bike, or a great means of transport without peddling. It takes me to work eight miles away with no problem on the lead battery. Charges in the two and half hours it says it does. What I like about it is that it provides simple and reliable mechanics, and provides smooth acceleration for a 250 watt. I weigh 180 with a steel mongoose hybrid on 26×1.75 slick tires. It feels as fast or faster that fifteen miles per hour. I would not hesitate to purchase.
Dahon Espresso Folding Hill Topper, Fairfield, Connecticut by Jim203 » Tue Aug 10, 2010 1:22 pm
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I just installed your excellent hill topper on my 2006 Dahon Espresso 26″ folding bike. It delivers as promised and was an easy installation. I am very pleased with it. Now those few steep hills around my house will not keep me from enjoying some great rides and getting a lot of exercise.
The AMAZING Pro Pack put to use… by martin75gk » Sun May 30, 2010 3:11 pm
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I received my Pro Pack about a month ago and after a few obstacles, my electric bike is running great. After putting extra washers to give a little space for the mtr to run freely and finding the right spoke length for 27″ wheels, I’m very happy with the results. I live near the ocean and always get that offshore breeze to ride against when heading to school. My school isn’t that far away… but after 3-hour long basketball practices, the last thing I want to do is pedal home (with occasional wind heading toward the beach). The Hill Topper is truly amazing… I can’t wait to upgrade my kit to 36 volts for a little extra speed and distance (more obstacles). I wish more people in Newport Beach rode electric bikes to work and/or school! For me it would truly be a great sight instead of a seeing Mercedes’ and Porsche’s all over the place. Come and check out my youtube video of this bike. I will be uploading it in the near future…
Hill topper saved me today.by artandshirley » Thu May 05, 2011 12:33 pm
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I just wanted to share my latest plug for the hill topper. On my way to pick up my daughter from school today, the chain on my back wheel came off, or broke, or something…admittedly, I don’t really know anything about this stuff. But, it wasn’t working at all. The only reason my bike was moving at all was the hill topper. Since I am SO heavy, and pulling the kid carriage with my daughter in it…well, I thought I was doomed to have to walk the bike home. To my amazement, the hill topper did ALL the work, since I wasn’t able to peddle AT ALL. And the battery never died on me either! I was thrilled. Can’t say enough about my hill topper, especially now that it is getting so hot where I live. I would be miserable and in pain from my back and foot problems if I had to walk to my kids school every day. Thanks!artandshirley Posts: Joined: Sat Mar 26, 2011 7:08 am
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new life to old mountain bikeby rainguad » Sat Jun 26, 2010 2:12 pm
I had this mid-90s GT rusting in the tool shed so I decided to clean it, restore it, and convert it to an electric bike to ride to work. I sanded off the rust, replaced only the seat and grips, painted it flat black, and bolted on an Army ammo box that was also in the shed. I lock the battery in the ammo box so I won’t have to carry it around, and I ran the wires under the top bar and through a hole I cut into the ammo box. Most people don’t realize it’s motorized; they just love the look!