Optimized for Shimano 12 speed transmissions. Material of sprockets: Steel / Aluminum . Range: 11-13-15-17-19-21-24-28-33-39-45-51. Compatible with 12-speed Shimano SLX / XT / XTR. HG Fitting. Weight: 660g.
Best Price: £76.99 from Merlin Cycles
SunRace MZ800 Cassette – 12 Speed – Black / 11-51 / 12 Speed Reviews