Shimano Deore CS-M6100 12 Speed Cassette Size:10-51 stem bolts)

stem bolts)

BR-R8070-R

with flat of raised-center-seam base tape)

without offending your palate or gut

Shimano Di2 Electronic Shifting

Shimano Deore CS-M6100 12 Speed Cassette Size:10-51 stem bolts)With its BEAM SPIDER construction, the new SHIMANO DEORE M6100 12 speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, the 10 51T cassette delivers advanced shifting performance. FeaturesUses Shimano's new Micro Spline freehub body and HYPERGLIDE+ tooth profile. Delivers advanced shifting performance. HYPERGLIDE+ provides fast and smooth