<p><b>Specifications:</b></p> <p>Material: aluminum alloy<br /> BCD: 104mm<br /> Crank Arm length: 170mm<br /> Crank related holes distance: 74mm<br /> Bottom Bracket Diameter: 23.79mm<br /> B.B BSA: 68~73mm<br /> Color: Black<br /> Crank Bolt Diameter: 15mm<br /> Compatible with: Single chain/Double chain<br /> Weight: About 615g</p> <p><b>Package Includes:</b></p> <p>1 x one fordged crank set<br /> 1 x Bottom Bracket<br /> 4 x Chainring bolts(set)<br /> 1 x M15 crank screw<br /> 1 x Crankset bolt Allen Wrench<br /> </p>