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Old 04-30-2011, 09:31 AM
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cannonball2 cannonball2 is offline
Motorized Bicycle Elite Member
Join Date: Oct 2010
Location: Colonial Coast USA.
Posts: 3,286
Default Re: Gas Friction Drive list

The roller on the BGF kit is similar to the Hongdu/Solex roller. Does look like a toothed belt pully in a way. It drives extremely well on the Hongdu. my guess is it tries to address wet running by squeegeing the water into the slots and out of the roller. In any case it is a great roller and shows no wear after much use.
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