TriRig Omega SV Aero Road Bicycle Brake Wind-tunnel tested and industry acclaimed as the most aerodynamic brake on the market. Works with every rim on the market, including wide rims like Zipp Firecrest and FLO rims. Ultra light weight at just 124g per caliper! Used by Tour de France riders, Ironman champions, elite amateurs, and age groupers alike. The most popular aero brake on the market, described as "the best aero upgrade" by Lava Magazine and "one word: perfect" by Aerogeeks. Compatible with TRP dual post U-brake mounts, as seen on bikes like the Specialized Shiv & Transition, Kestrel 4000, Felt B2/B12, Blue Triad SL, and more. Each brake is sold individually, and can be installed front OR rear (if you want a pair, you must order two brakes). Includes KoolStop Salmon brake pads for alloy rims. Please refer to our compatibility chart and installation guide for more information.