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Discussion Starter · #1 ·
When changing to 3.37 gears do you need to get a new primary chain? I know that on chain drive bikes, when changing a final drive sprocket, it is recommended to get a new chain, does the same hold true for primary chains and sprockets? If not, why?
 

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Average Dude
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If your chain is good, then it will fit. With the gear change, tou will be adding a tooth on one gear, removing one from the other. Therefore the length of the chain is not changed.

YB
 
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