Our products are shipped from real UK warehouses, 0-2 days handling time,1-2 days delivery time by Royal Mail 24/48h,provide Premium Service,so that you will receive the product quickly. Crank description: Brand: JIANKUN (IXF) Color: black, red Crank Arm length: 170mm Material: AL6061 aluminum alloy Compatible: Single/Double/Triple chainring; for 7/8/9/10/11/12S chainring Bolt Center Diameter: 104mm BCD Weight: about 637g (right & left) Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility Chainring description: Brand: SNAIL Color: black, red, blue, green,purple,gold Material: 7075-T6 Aluminum alloy Size: 30-42t Compatibility: 8,9,10,11,12 speed chain Bolt Center Diameter: 104mm BCD Thickness: 4mm Shape: Round/Oval Fit for MTB Bike,XC/Off Road/AM bik.
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