SDandy torque sensored crank drive

[shemozzle999]

http://translate.google.co.uk/translate?hl=en&sl=zh-CN&u=http://www.sdandy.com/&prev=search

Installed in Foshan Kommon bikes:

http://kommonbike.com/en/product.php

available from alibaba:

http://www.alibaba.com/product-detail/Bestcourser-ebike-KM-F-20-Lithium_60105267158.html?spm=a2700.7724838.35.1.JArrje