The new Shimano XT CS-M8100 12-speed mountain bike cassette, with its BEAM SPIDER construction, sheds weight while expanding Shimano's MTB gearing range by another gear. Utilizing Shimaon's innovative MS freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance. Features: - Definitive shifting performance - New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE+ - BEAM SPIDER construction - Lighter and stiffer, reducing cassette inertia for faster acceleration and enhanced chain security - MICRO SPLINE technology - Enables a 10T lowest sprocket, achieved through new FREEHUB body construction - Offers a wide range and close step 12-speed drivetrain Product specifications - Average weight: 461g (10-45T), 470g (10-51T) - Type: HYPERGLIDE+ - Rear speeds: 12 - Compatible chain: HG 12-speed - Combination name (Group name): 10-45T, 10-51T - Combination (Titanium gear): - 10-12-14-16-18-21-24-28-32-36-40-45T - 10-12-14-16-18-21-24-28-33-39-45-51T - Spline type: MICRO SPLINE - Aluminum spider arm (QTY): 1 - Aluminum gear (QTY): 2 - Steel gear (QTY): 10 Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.
