SM-CD800 Chain guide The chain guide ensures a reliable drivetrain even in the toughest conditions. It is optimized for the narrow 12-speed chain and can be adjusted easily with a screw.
Shimano XTR M9100 Built on 27 years of MTB innovations, the new XTR targets the highest demanding XC, Enduro and Marathon riders. Looking to push boundaries, even on those insanely demanding courses nowadays? The new XTR is jam-packed with every advantage youll need to get the job done. Heck, itll even inspire you to turn yourself inside out while doing it. Shimano's engineers have been working very hard the last 27 years, since they came out with the first ever MTB groupset. The new XTR is solid proof of this. Redesigned from the bottom up, it is by far the most advanced MTB groupset on the market. Its lighter, smoother, more durable and versatile. Its also extremely efficient in transferring all pedal-pounding watts into ground speed.