Cyclon Single Speed Sq\. Taper Crankset, 104Bcd 32T/34T/36T/38T Narrow Wide Cyclon focuses on cycling and hopes to provide a safe and comfortable cycling trip for every customer who comes into the store to buy products. Mountain Bike Square Taper Crankset: Material: aluminum alloy Length: 170mm Color: black BCD: 104mm Compatible: 8/9/10/11 speed Single Speed Chainring: Material: aluminum alloy Teeth: 32T/34T/36T/38T BCD: 104mm Color: black ?High Grade Crankset?The surface of mtb crankset is frosted and anodized, and at the same time, the density of the aluminum alloy in the threaded part of the crank arm is increased, which effectively protects the crank and prolongs the use time. ?Crankset Size?High-quality aluminum alloy square taper crankset, crank arm length is 170mm, suitable for 104BCD single speed chainring and 9/16" pedals. ?BCD104 Chainring?The alternate design of narrow and wide teeth can effectively prevent the chain from falling off. 32T/34T/36T/38T round black chainring are available in a variety of options to meet various needs. ?Compatible?Suitable for most of 8/9/10/11 single speed mountain bike, road bike, not for multi-speed bikes. ?Package Include?:1PC Mountain bike crankset , 1PC single speed chainring, 4PCS Chainring bolts, 1PC Three-pronged wrench and a exquisite box.