Shimano Disc 140mm Center Lock RT-CL800 Ice-Tech Freeza Ultegra R8100 (Internal Tightening)

With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation.

FEATURES
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.

PRODUCT SPECIFICATIONS
MODEL NO: RT-CL800
SERIES: GRX DI2
Average weight: 97 g
CENTER LOCK: YES
ICE TECHNOLOGIES: YES
ICE TECHNOLOGIES FREEZA: YES
Outside diameter|203 mm: X (NEW)
Outside diameter|180 mm: X (NEW)
Outside diameter|160 mm: YES
Outside diameter|140 mm: YES
Pad lining shape compatibility|Narrow: YES