Crank description:
Crank length: 170MM Material: Aluminum alloy Compatible: Single/Triple chainring; 7/8/9/10S chainring Specifications: BCD: 104mm ,related holes distance: 74mm Weight: about 637g Color: black, red Advantages: light weight, appearance and fashion, very cool, axial strength, strong compatibility Chainring description: Teeth:24/32/42T Speed: 3x10S Material: Steel (color: black) Bolt Center Diameter: 104/64mm Chain line: 50mm Axle: BB24 Forged CrMo Advantages:special teeth profiles design is lead to the chain leave the chainring easier when variable speed happened.Secondly,because of the concave and convex design,the chain has an excessive place ,so the riding speed can be smootherBottom Bracket description:
Can fit bike bottom 68-73mm Size: 41*24*24mm 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
• We'll dispatch the item for you in 1 business day after receiving payment.
• We will ship to confirmed order address, your order address must match your shipping address. • All of your order will be checked carefully before pack. • We do not responsible for any custom duty or import tax. Terms of sales• We provide "One year" quality assurance date. if the item is defective within 1 year due to quality issue, we will repair or replace it for free(according the products). please notice, warranty does not include accident, human fault or improper use.
Return and Refund Policy
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