Originally Posted by
moondog321
Bought a 10 speed Shimano compatable Miche cassette and there is included with all the cogs and red plastic spacers one thin metal spacer. Does anyone know where this goes? No instructions in or on the box.
From what I understand, Shimano 10 speed hub shells (and the 10 speed cassettes) are slightly narrower than the 8/9 speed hub shells. The end result is when using an 11t lockring (not a 12) with a 10 speed cassette on a 8/9 shell, the cassette may be loose without the .5mm spacer.