Thread: Question about using existing crankset with different cassette
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Old 08-09-10 | 05:47 PM
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JiveTurkey
Low car diet
 
Joined: Aug 2007
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From: Corvallis, OR, USA

Bikes: 2006 Windsor Dover w/105, 2007 GT Avalanche w/XT, 1995 Trek 820 setup for touring, 201? Yeah single-speed folder, 199? Huffy tandem.

You have a 10-speed shifter currently?

The "9-speed" MTB RDs are rated up to 34T, but the 36T should work fine, considering people have reported using 30T cassettes with 27T-max road RDs. You'll be right at the 45T chain wrap capacity, which is fine, but it would be best to size the chain based on the big/big + 1" method.

It's best practice to replace the chain with a new cassette. Save the old chain with the old cassette in case you have a use for it later.
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