Thread: spindle length why two measurements
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Old 03-21-11 | 11:06 AM
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Retro Grouch
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From: St Peters, Missouri

Bikes: Catrike 559 I own some others but they don't get ridden very much.

Originally Posted by BikeWise1
My understanding was it had to do with rear axle spacing. ATBs are often 135mm, but some other bikes that are likely to use the same crank are 130mm. The BB spindle length is changed to preserve the proper chain line.
That's what I think too.
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