Shimano XTR XC FC-M9100-2 Hollowtech II Cranks

Item number: 65389

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Shimano XTR XC FC-M9100-2 Hollowtech II Cranks - grey/170.0 mm 28-38
Shimano XTR XC FC-M9100-2 Hollowtech II Cranks - grey/170.0 mm 28-38
Shimano XTR XC FC-M9100-2 Hollowtech II Cranks - grey/170.0 mm 28-38
Shimano XTR XC FC-M9100-2 Hollowtech II Cranks - grey/170.0 mm 28-38
Shimano XTR XC FC-M9100-2 Hollowtech II Cranks - grey/170.0 mm 28-38
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The XTR XC FC-M9100-2 crankset by Shimano - ideal for steep ascents

The Shimano XTR XC FC-M9100-2 is a crankset for cross country use with two chainrings. The large chainring is installed according to the direct mount principle. FC-M9100-2 has a narrower Q factor of 162 mm suitable for racing and is only intended for use with 12-speed drivetrains. The model is aimed at riders who want flexibility and the widest possible range in unknown terrain with potentially steep climbs. Of course, the aluminium crank also features the Hollowtech II design, which has been tried and tested for many years and provides an optimum ratio between the strength of the crankarms, the stiffness of the axle and the weight.


Application: Cross Country
Compatibility: Shimano 2x12-speed
Chainring Mount: Shimano Direct Mount

Technical Information:

Series: XTR M9100
Crankarm Material: aluminium
Chainring Material: aluminium
Axle Material: steel
Gradation: 28-38
Crankarm Length: 165.0 mm, 170.0 mm, 175.0 mm
Chainline: 48.8 mm
Q-Factor: 162 mm
Axle Diameter: 24 mm (Hollowtech II)
Compatible BSA Shell Width: 68 mm, 73 mm
Recommended Bottom Bracket: SM-BB93 or SM-BB94-41A Pressfit Hollowtech II (not incl.)
Recommended Chain: CN-M9100


- for 2x12-speed, but also 1x compatible
- compatible with 142 mm rear over locknut dimensions (1x also 148 mm)
- large range in combination with narrow gear ratios
- inner chainring bolted to outer chainring
- special tooth profile developed for MTBs
- more even riding in rough terrain
- lighter and stiffer construction
- easy to change chainrings due to direct mount and integrated puller
- crankarms anodised, chainrings plated
- aluminium hardware


Hollowtech II
What matters is the overall balance of the crankset. With regard to the entire crankset, an optimum ratio between the strength of the crank arms, the stiffness of the axle, the bearing position and other features is very important. During the development of the crankset, the overall balance of all individual elements was carefully considered in order to ensure maximum stability.
Outer bearing: On most 68 mm bottom bracket housings, the Hollowtech II 24 mm axle can be mounted outside the frame for better weight distribution and stability.
High-quality precision seals: The Hollowtech II set also features high quality precision seals in the bearing area to extend durability and maintain excellent rotation efficiency over time.
The axle and the 24 mm diameter bearings ensure optimum balance of the crankset and optimum transmission of power to the bicycle.

Manufacturer Part Numbers:

165.0 mm: I-FCM91002AX88
170.0 mm: I-FCM91002CX88
175.0 mm: I-FCM91002EX88


- 1 x Shimano XTR FC-M9100-2 crankset (28-38 tooth)
- 1 x TL-FC41 chainring installation tool
- 1 x Shimano lockring
- 1 x washer
- not incl. bottom bracket


  • grey/175.0 mm 28-38: 597 g (ohne Innenlager)


in stock 2 to 7 days up to 10 days Out of stock inform me
  • grey/170.0 mm 28-38
  • grey/175.0 mm 28-38

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