Stan's Cassette Spacer 1.8mm Silver Each

Replacement freehub bodies include pawls and springs pre-installed- E-Sync hubs: fast 8.18 deg engagement with reinforced high-torque pawls- HG 11sp road FH body requires a 1.8mm spacer (included) for use with a Shimano/SRAM 8-11sp HG mountain cassettes- XDR drivers require a 1.8mm spacer (included) for use with a XD cassette- Instructions and hub axle determinations are available online @ www.notubes.com