Stans No Tubes M-Pulse Freehub Body Shimano Micro Spline 12 Model=CS-HG31 8 Speed Cassette All hubs use IS-6B disc

All hubs use IS-6B disc brake mounts

8 mm Model Weatherproof Dynawedge Mount Strap Size Large

2mm shim for mounting the bell closer to the grip

alloy tops and cap with sealed bearings

Stans No Tubes M-Pulse Freehub Body Shimano Micro Spline 12 Model=CS-HG31 8 Speed Cassette All hubs use IS-6B discReplacement freehub bodies include pawls and springs pre installed M Pulse hubs: six pawls are equipped with Neodymium magnets engaging every 1. 66 deg 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