kbxstart Bike Crank Arm Set Mountain Bike Crank Arm Set 170mm 104 BCD Sprocket with Bottom Bracket Kit and Chainring Bolts MTB BMX Road Bicycle, Compatible with Shimano, FSA (1 Pair)

?Product Description ?Crank: 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. ?Attention: ?1.Please allow 1-3 cm error due to manual measurement (1 inch = 2.54 cm); ?2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors.Thank for your understanding.   ?3.We did a very careful inspection of the products before shipment to ensure that each product was intact, and strictly packed when shipped, but it was inevitable that there would be collisions during transportation, which would cause some Small defects (such as the color will be missing a small piece by collision), but it does not affect the use ?Please carefully make sure you don't mind these matter before you order, thank you. ?Package Includes: ?1 x one fordged crank set ?1 x Bottom Bracket ?4 x Chainring bolts(set) ?1 x M15 crank screw ?1 x Crankset bolt Allen Wrench