XTR – 12 speed – HYPERGLIDE+ – mountain bike cassette flywheel

Through its BEAM SPIDER structure, the XTR M9100 12-speed cassette flywheel reduces weight while adding an additional transmission gear to SHIMANO’s mountain bike. When combined with SHIMANO’s new MICRO SPLINE FREEHUB body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes offer the best mountain bike shifting experience available.

Features

The most reliable transmission technology

Maintains pedaling smoothness when changing speeds

BEAM SPIDER structure can reduce inertia and weight, making acceleration performance better

New MICRO SPLINE* structure, which can reliably engage the FREEHUB body

Product specifications

Model CS-M9101-12 Series XTR M9100 Series Average weight 357 (10-45T) 367 (10-51T) Type HYPERGLIDE+ Rear derailleur 12 Compatible chain HG 12 speed Gear ratio combination (code) 10-45T 10-51T combination|1 10-12-14-16-18-21-24-28-32-36-40-45T | 10-12-14-16-18-21-24- 28-33-39-45-51T MICRO SPLINE Aluminum alloy crank arm|Quantity (piece) 1 Titanium alloy sprockets|Quantity (pieces) 5 Aluminum alloy sprockets|Quantity (pieces) 3 Steel sprockets|Quantity (pieces) 4