COMPARE
F172SB OLD Shim 9S with NEW 11S compatible
Date: 26.April 2013 By Milan Krušinský
COMPARISON F172SB v2.3 (old 2011) Shim9 body. Can't use Shim11 cassette body.
A
Smaller space between flange and chain.
F172SB v2.4 (new 2012) Shim11 body. Is designed to use Shim11 cassette body.
A = A2