Shimano HG cassette hub...7 or 8 speed?
11-28-10, 01:48 AM
#1
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Shimano HG cassette hub...7 or 8 speed?
How can you tell without actually attempting to install the cassette? Does the presence of threads inside the freebub body indicate that it is 8-speed compatible?
11-28-10, 07:19 AM
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The presence of the threads inside the body means it is HyperGlide compatible. It could either 7 or 8 speed. 126mm dimension across the out face of the locknuts indicates 7 speed. 130mm indicates 8, 9 or 10 speed, which are alll interchangeable, if it's a steel freehub bodies.
11-28-10, 07:21 AM
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Or you can measure the body itself. IIRC 7s ~ 32mm, 8s ~ 36mm?. I'd have to pull one to be sure of these measurements, so someone correct me if these are wrong.
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11-28-10, 07:41 AM
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+1, this is the method to use to differentiate 7 from 8/9/10 speed freehubs.
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