1,Made of aluminum alloy, it is lightweight, fashionable with gorgeous shape, strong axial strength and strong compatibility. 2,Crank has high strength and deformation resistance, can be used for a long time, very durable, practical and convenient. 3,Lightweight, will not increase the weight of the bike, you can carry without any burden, so easy to carry. 4,Good replacement for bicycle repair, and compatible with many bike models, strong compatibility is worth having. 5,The crank fits closely with the plate, avoiding looseness due to wear and tear during riding, effectively enhancing the safety and comfort of riding. Condition: Item Type: Crankset Material: Aluminum Alloy Bottom Bracket Length: Approx. 88mm/3.5in Center Distance: Approx. BCD104mm/4.1in Crank Arm Length: Approx. 170mm/6.7in Model: ZK-22 Quantity: 1Set Chainring: 32T Type: With Bottom Bracket Application: Used to convert the center lock hub into a six-nail disc with 44mm/1.7in hole pitch 1 Set x Crankset 1 x Bottom Bracket 2 x Accessories Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin