SunRace MZ91X 12 Speed Cassette - 12 Speed - XD Driver - 10-50T - Black Virtual Parent The 39mm end is the

The 39mm end is the right size for XTR BB93 (as well as DuraAce 9000 and some Token BB's) external bottom brackets

Campagnolo® Ultra-Torque

Use this for the installation and removal of all Shimano and SRAM cassettes

BB compatibility: Fits both FSA MegaEvo cups

SunRace MZ91X 12 Speed Cassette - 12 Speed - XD Driver - 10-50T - Black Virtual Parent The 39mm end is theReplace your old worn out SRAM Eagle cassette with this wide ratio cassette from Sunrace. This cassette is primarily built from hardened steel which will keep wear down and boost longevity. Sunrace have also utilised a 7075 alloy construction on the 42 and 50 tooth sprockets to keep the weight in check. Those looking for a good value alternative to SRAM Eagle cassettes will appreciate this cassettes wallet friendly price point. Who's this item for: