2pcs Crank Cover Screw Dustproof Waterproof Aluminum Alloy Parts for Prowheel Hollow Integrated Crankset

High‑strength aluminum alloy material, fine workmanship, high hardness and not easy to deform. The is anodic oxidation treatment, the color is bright, corrosion‑resistant, not easy to fade. After twice and clean treatments, the meticulous craftsmanship makes it highly . Item Type: Crank Cover Screw Material: Aluminum Alloy Size: Approx. 18mmCelsius0.7in Application: for Prowheel Hollow Integrated Crankset