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

Highstrength aluminum alloy material, fine workmanship, high hardness and not sy to deform. The is anodic oxidation trtment, the color is bright, corrosionresistant, not sy to fade. After twice and cln trtments, the meticulous craftsmanship makes it highly . Item Type: Crank Cover Screw Material: Aluminum Alloy Size: Approx. 18mm/0.7in Application: for Prowheel Hollow Integrated Crankset