FD-M9100 SIDE SWING front derailleur The front derailleur's successful design, which provides increased tyre clearance and reduced operation force, has been improved even further. It is now possible to adjust the alignment for 48.8 mm for 142 mm standard, as well as 51.8 mm chain lines for frames with 148 mm rear spacing. In addition, weight has decreased once again. The maximum recommended chainring gap (capacity) is 12 teeth, the largest chainring should be 38 t. The front derailleur funtctionality is optimized for frames with 66 - 69 chain stay angle and operation with the new CN-M9100 chain.
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 beenworking 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.