Crank Arm length: 170mm, Crank related holes distance: 74mm/2.91in. Bottom Bracket Width: 68-73mm/2.67-2.87in. Single speed narrow wide 104mmBCD, 32/34/36/38T, Round/Oval, Black, red, silver, blue, gold, purple.
Compatible with most mountain bikes and dirt bicycles. Including not confined to Shimano, FSA, Gaint ATX770 ATX770-D XTC 750. Crank related holes distance: 74mm. Bottom Bracket Diameter: 23.79mm. Color: Black, red, silver, blue, gold, purple.
Compatible with: Single chain/Double chain. Suit for Shimano, FSA, Gaint ATX770 ATX770-D XTC 750. Bolt Center Diameter: 104mm BCD. Compatible with: 7/8/9/10/11/speed chains (for Shimano/SRAM/FSA crank). 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.