Shimano Ultegra SM-RT800-SS Disc Brake Rotor - 140mm, Center Lock, Silver Mirrors - Organic: blend of organic

- Organic: blend of organic materials with a top quantity resin provides excellent performance throughout the life of the pad

RC1476 SM4135

158318-Q0-L

157120-Q0-L

Single spike structure for stable shifting

Shimano Ultegra SM-RT800-SS Disc Brake Rotor - 140mm, Center Lock, Silver Mirrors - Organic: blend of organicShimano Ultegra SM RT800 Center lock Disc Rotors Freeza technology, 3 layer structure with aluminum core and stainless steel outer layers and additional aluminum cooling fins reduces rotor surface temperature approximately 150 degrees Celsius compared to all steel rotors Aluminum spider Includes standard type rotor lockring Requires external type rotor lockring when installing onto 15 20mm axle hub Product Specifics Rotor Size (mm): 140 Hub Disc