Shimano XTR crank FC-M985 30-42 teeth
The easiest and most reliable Shimano crank
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.
By DynaSys technology the chain rarely jumps over during the switching process.
In addition, the XTR crankset impresses with low weight, high stiffness, durability and attractive appearance.
This makes it the ideal choice for racers and ambitious amateurs alike.
By HollowtechII technology, the XTR crank high rigidity and low weight combined. The crank arms and the connecting shaft are hollow inside.
The inner bearing outer ensure optimal bearing . In conjunction with the good sealing of the camp, a long service life is obtained.
The dual version has over the triple variant reduced to 3mm Q-factor and "wanders" thus closer to the framework approach.
Technologies: HollowtechII, DynaSys
Numbers of teeth of sprockets 30, 42
Chainrings material: Aluminum
Bottom bracket: SM-BB90-A
Crank length: 175mm
Bottom bracket shell width: 73mm, 68mm (via spacers)
bolt circle diameter diameter: 88mm
chain line : 48,8mm
Weight: 652g (incl. Chainrings) / approx 740g (incl. Stock)
Scope of supply: crankset, bottom bracket, spacer rings
Note: Picture shows version with 44 to 30 teeth is delivered with 42-30!