Material: Made of high strength aluminum alloy, light weight, stylish appearance, and high compatibility. Anodic anti-oxidation design will protect the main body of aluminum alloy and should not be discolored for long-term use.
Package Includes: You will get 1 pair mtb crankset, 1 pc mountain bike single speed chainring, 5 set chainring bolts.
Crank parameter: 104 BCD ultralight mountain bike crank, only can be used on Single speed chainring. Crank Arm Length: 6.7"/170mm, Crank weight: 510g, Crank related holes distance: 2.91"/74mm.
Professional design: Worm positive and negative gear disc, the chain is stable and should not fall off. One body forging molding, high strength, not easy to break.