Shimano XTR 12-speed here and its glorious. XTR has long been the golden standard in the mountain bike industry and now with its support for massive gear ranges youll be able to climb up the steepest of climbs. In order to get the most out of XTR youll need an equally high end cassette. Enter the M9191 cassette which features Shimanos latest and greatest Hyperglide+ technology. Hyperglide+ drastically improves shifting quality, power transfer, and chain stability across the board. With a combination of steel, aluminum, and titanium gears, Shimano were able to shave as much weight off as possible without sacrificing durability, resulting in a shockingly low sub 367g cassette thatll last for countless miles. If youre hunting for the lightest and smoothest shifting cassette on the market for your 12-speed Shimano drivetrain then the XTR M9101 cassette is for you.

FEATURES

• Hyperglide+ technologydelivers unrivaled shifting performance
• Optimized steel, aluminum, and titanium gearssave weight where possible without affecting durability
• Sub 367g weight cassetteis mind blowingly lightweight
• Compatible with Shimano Micro Spline