08-30-2012, 05:44 PM
(08-30-2012, 01:49 PM)xerxes Wrote: 7, 8 and 9 speed chains, chainrings and chainsets are all completely interchangeable.I would be careful with that one. it might vary with different companies. there is a distinct difference between a Hg-70 Shimano chain width and a Cn-7700 Durace Hg 9 speed chain.
the 6,7,8, speed pin would be 7.1mm and the 9 speed would be 6.5
which may cause over throwing the chain rings at times depending on the crankset and ring spacing
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