Shimano M9100 XTR 2×12 Double Crankset (168 mm Q-Factor)

Features:

Class-leading XTR 12-speed double chainset, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit
Direct mount chainrings are lightweight and easy to replace while providing increased rigidity
Integrated bearing preload design is lightweight and makes installation and adjustments easier than ever
Super-lightweight HollowTech II cold forged Duralumin crank arms – hollow design saves weight whilst increasing rigidity and durability
Easy to use splined bottom bracket spindle connection provides a rigid and secure interface between crank and spindle
With a 51.8mm chain line (boost) and a 168mm Q-factor ideally suited for all-mountain and to be used in conjunction with 10-45T cassette
crank set supplied without bottom bracket and chainrings
Compatible with all 12-speed direct mount XTR chainrings
For use with 12-speed HG+ chains only