Waterproof Square Screw Bracket Bolts Bike Parts Chainwheel Axle Cycling Bicycle Crank Screws

Label:Yes Diameter: 2.1cm Length: 2.4cm NOTE: Please allow some errors of manual measurement, thank you for your understanding! Type: M8*15 Package Includes:1 Pair of Crank Bolts Color: As showed Material: Steel Surface with electro silvering, waterproof. Suitable for square crankset & BB, specification M8*15. Bicycle universal, with good quality. With plastic seal, no separate crank cap needed.