AmpedBikes Demo Run www.ampedbikes.com

My AmpedBikes electric hybrid bike kit. 500W 36V stock kit on a ~'90's GT AllTerra mountain bike.

Being low tech and low budget, here's the specs on this rig:
-21-speed GT AllTerra Timberline hardtail
- AmpedBikes.com front wheel 500W 36V 26" stock motor, wheel, spokes, and tire.
- Half-Grip twist throttle
- original cargo rack from the kit.
- heavy canvas saddle bags restitched as pannier bike bags and coated with fiber glass epoxy resin to re-enforce the canvas.
- six recycled SLA UPS backup power 7ah batteries @ 6lbs each. Packs are arranged in two 3-battery 36V packs in order to split the amperage and not tax the poor old SLA's

This setup gets me to and from work across the Cuyahoga Valley National Park from Akron to Fairlawn on a single charge. ~20 miles roundtrip. Up some nasty hills both directions!! Pretty good for recycled batteries that were put out for trash.

I run a de-sulfator battery cycle on each battery individually every couple months.

Been running this bike since May 2008 on the same batteries.

All in all spent ~$400 total on kit, bag, and maintenance on the bike last year. Well worth it!!




AmpedBikes is the place to get your own do it yourself kit!

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[ieatmilks]

Sweet. That's exactly my bike right there, even the color is the same. I was able to get my GT all terra (timberline) for about $80 on craigslist and never looking back. It's a real great bike and I was able to completely tune it up; changed the saddle, chain, shifters, tubes, and added slick tires. I made this awesome vintage bike into a hybrid.

[DarthSensate]

@ieatmilks I agree. They are excellent hardtails. I highly recommend picking one up to anyone. I replaced my original Shimano Rapidfire shifters with EZfire shifters, EF-50 7speed, and they are much better that the early trigger shifter design. Supposedly the newer GT I-drive full suspensions are very nice as well. I wouldn't go with a low end GT since mid-90s though, that's when Pacific Cycles bought the brand along with Mongoose and a number of other nice bike brands.

[solracotos]

Quick question! by how much your range and top speed is decreased when you added the trailing bike and the trailer?

[DarthSensate]

I couldn't tell you. I don't ride with them normally. I just hooked them up for fun for the video and to demonstrate that the motor has PLENTY of pulling power. Just the bike and batteries and motor and me can do 22 miles with two significant hills in between... and that's with REALLY OLD SLA batteries.

[444paraflyer]

Good job

[DarthSensate]

Thanks! The kids and I had a blast filming this.

I love your PPG videos!

[wogahboy]

family life is so great!!!

[ieatmilks]

@DarthSensate Oh very nice. I'm thinking of doing some long term projects with this bike as well. Perhaps change the color to silver / black, new rims, get a flat bar instead of the stock bull horns, change the wiring, and more. It's going to look great when I'm done with it!

[solracotos]

Very nice video. It sold me! Buying one right now.