SHIMANO XTR HOLLOWTECH II MTB Crankset - 165mm w/o Chainring, BB & CG summerpant It also features a modular

It also features a modular equipment attachment system

avalanche terrain and forecasting

lighter and more expensive

9mm wall thickness

which delivers straight-line power transfer on man-made trails

SHIMANO XTR HOLLOWTECH II MTB Crankset - 165mm w/o Chainring, BB & CG summerpant It also features a modularThe SHIMANO XTR FC M9130 1 crank features an entirely new construction, using direct mount chainrings. The FC M9130 1 uses a 56. 5 mm chain line and can be converted between 1x and 2x, with 30, 32 and 34T chainrings available. FC M9130 1, XTR, 12 SPEED, HOLLOWTECH 2, 165MM, W O CHAINRING, W O CG, W O BB, CHAIN LINE 56. 5MM