Tired of worn-out brake discs ruining your RC car's performance? Imagine accurate stops and smooth control during high-speed races or technical crawls. Our 4-piece aluminum alloy brake disc set delivers competition-level sturdiness with CNC-machined exactness. Engineered for 1:10 scale vehicles, these 31mm discs feature lightweight construction (only 13g!) that won't slow down your ride. The oxidation-proof anodized finish withstands mud, water and extreme conditions while maintaining proper hex adapter alignment. Upgrade your RC car/truck/crawler today with these high-performance replacements - includes 4 discs and mounting pins for complete wheel set refreshment. Item Type: RC Brake Disc Material: Aluminum Alloy Color: As Pictures Shown Product Diameter: Approx. 31mm/1.2in Hex adapter: approx. 12mm/0.5in Hole diameter: approx. 5mm/0.2in Weight: Approx. 13g/0.5oz Fitment: fit for 1/10 RC General-purpose flat sports car/off-road vehicle/climbing vehicle, etc. Package List： 4 x Brake Disc 4 x Pin Note: 1. Manual measurement, please allow 1‑3mm error, thank you! 2. The picture may not reflect the actual color of the project due to the differences between different displays.