Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.
I went to a pacific west manufactering convention and picked up a machine design trade publication. one article write about a bike that place first at last years e-bike world championship. the espire bike.
i like how really low the placement of the batteries is.http://machinedesign.com/article/chain-drive-boosts-e-bike-efficiency-0119
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