Shimano XTR CS-M9001 Cassette Size:11-40 When the old mastic is

When the old mastic is “cooked”

this reduces the thickness of the overall package by half

The Thomson Seatpost Collar is made from the same 7000 series alloy as our seatposts and stems

smoother and more durable

Shimano XTR CS-M9001 Cassette Size:11-40 When the old mastic isXTR 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