Description:

High waterproof performance Features built-in additional O-ring to prevent water from seeping into the center of the wheel between the axle and the collar, improving the service life of the bearings.. Fluororubber O-ring Excellent heat resistance, oxidation resistance, oil resistance, and corrosion resistance.. Light Aluminum Made from aircraft-grade billet solid 6061-T6 aluminum, super lightweight and sturdy.. Rustproof Surface Anodized surface for added corrosion and rust resistance. Adapt well to any bad weather conditions.. CNC-machined Machined by CNC technology to ensure high precision for a fit..