Carver Bikes is pleased to offer the lightest 2-piece 6 bolt disc brake rotor on the market. It tips the scales at a mere 71g for the 160mm size. The alloy spider dissipates heat more effectively than a one-piece stainless steel rotor. Available in 140mm, 160mm and 180mm sizes to cover all your braking needs. The braking surface is high grade SUS410 stainless steel, ground and hardened to 47 HRC. The spider is aero grade 7075-T6 heat treated alloy, anodized black and etched with our Carver logo. Pair it with a set of our Carver Alloy Rotor Bolts for the ultimate combo of light weight and style.