107mm MTB Bike Crank 104BCD IXF Arm chainring Aluminum Mountain Road Bicycle Crankset with BB
Crank description:
Crank Arm length: 170mm
Material: AL6061 aluminum alloy
Compatible: Single /Double /Triple chainring; for 7 /8 /9 /10 /11S chainring
Bolt Center Diameter: 104mm BCD
Weight: about 637g (right & left)
Color: black, red
Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility
Bottom Bracket description:
Size: 41 *24 *24mm (threaded)
Spindle /Bearing inner diameter: 24m
Fit BB shell width: 68 /73mm
Fit BB shell inner diameter: 1.37in x 24 TPI
Spindle Interface Type: Hollowtech II
Chain line: 48.5mm
Bearings: Sealed (3 spacers included)
Hollow axle, one piece external bottom bracket for MTB /Road bike,folding bike refitting
Suit for Shimano, FSA compatible. Giant ATX770 ATX770 -D XTC750 and so on.