Hope RX4+ SL Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Silver Model=Value HD Series Disc Rear Wheel Its smart brake-sensing technology signals

Its smart brake-sensing technology signals deceleration with a 35 lumen burst of brightness making it ideal for high-traffic environments

Premium lightweight 7k series alloy

Color Black/Silver Defined Color Black Defined Color Silver Drivetrain Speeds 12 Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 38

What if every hand position on your drop bars was actually comfortable

Hope RX4+ SL Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Silver Model=Value HD Series Disc Rear Wheel Its smart brake-sensing technology signalsThe Hope RX4+ mineral oil type brake caliper has been refreshed as the RX4+ SL. The RX4+ SL caliper retains a precision CNC machined monobloc design that results in a stiffer caliper to give unrivaled feel and modulation. In addition it now features a new bore cap that adopts the narrower design first introduced on the GR4 and TR4 to reduce overall caliper width and improve compatibility with a wider range of frames. It now also incorporates the bleed