Features1Aluminum alloy one-piece hollow design, widened and thickened edges and corners, easy to be stressed. 2It helps to keep the chain to the maximum extent, prolong the service life, and reduce friction and noise. 3Made of highquality aluminum alloy, strong and durable, not easy to be damaged or deformed, high strength, and can be used for a long time. 4Applicable for road bike and folding bike, hollow five claws, greatly reducing the weight, while the strength remains the same. 5Good replacement for bicycle repairs and upgrades for old damaged crankset.SpecificationItem Type:Bike CranksetMaterial:Aluminum AlloySpecification: 130BCD CrankScope of Application: Road Bike/Folding BikePackage List1 x RightCrank1 xBottom Bracket1 x Screw1 xLeft Crank