Friction Drive E-Bike
myminifactory
This design is for bikes that have no extra space under the seat tube for mounting a traditional friction drive system. Constant friction between motor and tire is maintained by two 1.2mm springs, and adjusted with zip ties on the other end of each spring. BUILD INSTRUCTIONS https://gum.co/LqmWJ PART LIST Motorhttps://amzn.to/35n3PF8VESChttps://amzn.to/2GZC4th orhttps://amzn.to/2PLDMkGThrottle Griphttps://amzn.to/2H1r5Q7Arduino for Analog to PWM convertinghttps://amzn.to/2H1Ro92Tension Springs 1pcs M8 x 60mm bolt 2pcs M3 x 30mm bolts 4pcs M4 x 35mm bolts 4pcs M4 nyloc nuts Videohttps://youtu.be/CECEI_Vuol0
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