【Defromation Resistance】Surface ground both sides for ultra-flat braking surface, high grade warp resistant metal. 【Heat Dissipation】Aluminum alloy disc brake caliper anti corrosive and rustproof metal material.Excellent heat dissipation effect. 【Adjust Tightness】Double-piston brake device allows adjust the tightness, left and right width. Easy to install on your bike. 12-SPOKE DESIGN - One-piece steel design with 12 spokes optimizes the rotor strength and helps dissipate heat quickly to reduce warping and distortion. SRAM Centerline Disc Rotor with 6 Steel Rotor Bolts.
