Shimano XTR crank FC-M985 30-42 teeth
The easiest and most reliable Shimano crankset
The XTR crankset is characterized by a very high switching performance. The gearshifts are doing with high precision. The chainrings are hollow-forged and contribute to the high switching performance at.
By DynaSys technology chain rarely jumps over during the switching process.
In addition, the XTR crankset impresses with light weight, high rigidity, long life and attractive appearance.
This makes it the ideal choice for racers and ambitious amateur drivers.
By HollowtechII technology combines the XTR crankset high rigidity and low weight. The crank arms and the connecting shaft are hollow inside.
The inner bearing outboard ensure optimal bearing. In conjunction with the good sealing of the bearings results in a long service life.
The dual version has over the triple variant reduced to 3mm Q-factor and "wanders" nearer to the frame zoom.
Technologies HollowtechII, DynaSys
Number of teeth of the gears 30, 42
Material chainrings: aluminum
Bottom bracket: SM-BB90-A
Crank length: 175mm
Bottom bracket shell width: 73mm, 68mm (via spacers)
Bolt circle diameter: 88mm
chain line: 48,8mm
Weight: 652g (incl. Chainrings) / approx 740g (incl. Stock)
Delivery: crankset, bottom bracket, spacer rings
Note: Picture shows version with 44-30 teeth, is supplied with 42-30!