Gngelectric supply inexpensive electric bike kits system which allow you
 to convert your own conventional bike into a battery-powered electric bicycle.

Sharon special page( Israel ) )

completed chain pulley

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completed chain  pulley
completed chain pulley
Posted by SHARON on January 9, 2013

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1 Comment

Reply spinningmagnets
9:45 PM on March 22, 2013 
Where can someone buy these? where do they go on the kit, and what do they help? Could you please post a pic of your bike with this on it?