Shimano RD-M6100 Deore Rear Derailleur 12-Speed, Top Normal, Shadow Plus Design, Direct Attachment, 1X12 Apparel Brand_Halo we know that disc brakes

we know that disc brakes can win races on the biggest stage

The Cervélo Caledonia Disc with SRAM Rival eTap AXS is a premium endurance road bike that combines Cervélo's expertise in frame design with the precise and wireless shifting technology of SRAM's Rival eTap AXS groupset

FREEWHEEL: Shimano 7-speed freewheel (14-28T)

The hand built OSPW System has two spring tension settings

Tightening is a breeze thanks to the BOA® L6 dial

Shimano RD-M6100 Deore Rear Derailleur 12-Speed, Top Normal, Shadow Plus Design, Direct Attachment, 1X12 Apparel Brand_Halo we know that disc brakesCAGE LENGTH SGS Long TOTAL CAPACITY 41 MAX FRONT DIFFERENCE 0 COLOR SERIES COLOR MOUNT Direct attachment (conventional) NUMBER OF PULLEY TEETH 13 SERIES Deore GENERATION M6100 MAX LOW SPROCKET 51 MIN LOW SPROCKET 51 REAR SPEEDS 12 TOP NORMAL SPRING TYPE Shimano Shadow RD+