RT-CL900 S DISC ROTOR 160mm RT-CL900 S DISC ROTOR 160mm ICE-TECH CENTERLOCK accessories the new 12-speed ULTEGRA R8150

the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets

POWRLINK ZERO delivers reliably accurate power and cadence data in a race-proven pedal system

multi-directional precision fit for improved performance

135x5 mm ThruSkew

One light set for a complete Daytime Running Lights solution

RT-CL900 S DISC ROTOR 160mm RT-CL900 S DISC ROTOR 160mm ICE-TECH CENTERLOCK accessories the new 12-speed ULTEGRA R8150SKU Description Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation The new arm shape is more robust, leading to quieter operation Heat dissipation paint boosts performance Disc brake rotor size: 140 mm, 160 mm, 180 mm, 203 mm Product Description With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake