Crank description:
Crank length: 170mm
Material: AL6061 aluminum alloy
Compatible: single/Triple chainring; 7/8/9/10S chainring
Specifications: BCD: 104mm ,related holes distance: 74mm
Weight: about 637g
Color: black, red,blue ,gold ,silver,green,purple
Advantages: the use of AL6061 aluminum alloy, light weight, appearance and fashion, very cool, axial strength, strong compatibility
Bottom Bracket description:
Can fit bike bottom 68-73mm
Size: 41*24*24
hollow one tooth disk axis, for mountain bikes, road cycling bike,folding bike refitting
BSA:68--73mm cups-BC-1.37*24/68mm Chain line:48.5mm
Suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on