Originally Posted by
tatfiend
Per a recent KMC download I did the Shimano 9 and 10 speed chains are 11/128" wide internally too.
I just measured the internal width (of the inside links) of both a Shimano 9-speed HG-93 and a Wippermann 10S0 10-speed chain and got 0.087"-0.088" for both. An 8-speed Shimano IG-90 measured 0.097". For reference, 11/128 = 0.086" and 3/32 = 0.094"