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Old 08-21-2010, 05:37 AM
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Tim_B_172 Tim_B_172 is offline
Motorized Bicycle Elite Member
Join Date: Aug 2009
Location: Saint Joseph, MO
Posts: 251
Default Re: A new shift concept for the engineers....

Try running two tensioners. One on top pointing up and one on the bottom pointing down. This would take care of the slack in the chain top during start and coasting and would give more room for the slack on bottom to go when using a smaller sprocket.

Just a thought, though it is early and my brain is just waking up so, sorry if I missed some obvious flaw.
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