Shimano Dura-Ace SM-RT900-SS Disc Brake Rotor - 140mm, Center Lock, Silver/Black Housing but not compatible with SRAM

but not compatible with SRAM cranks that have (1) hidden chainring bolt (Force22

156530-Q0-L

UPC: 844171000069

UPC: 072774171385

You can record up to 30 rides before requiring to sync with the Cannondale App

Shimano Dura-Ace SM-RT900-SS Disc Brake Rotor - 140mm, Center Lock, Silver/Black Housing but not compatible with SRAMShimano Dura Ace SM RT900 Centerlock 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