XTR M9000 series, the most advanced XTR mountain bike components and wheels to date. With this high-end XTR line available in both race and trail “Rider-Tuned” product families, SHIMANO leverages its engineering leadership producing the industry's highest performing mountain bike component group.

Specifications
Wide range 11-speed cassette
HG-X11 specific tooth profile
Rhythm step gear progression
Lightweight and durable cogs

Gear Ratios
11-40: 11-13-15-17-19-21-24-27-31-35-40

Mfr Claimed Weight
331g