Kolossos ST Oversized Derailleur Cage - Rival eTap deadstock Aero Kolossos for Sram AXS

Aero Kolossos for Sram AXS has a 14-tooth upper and 19-tooth lower wheel and fits all Sram 2x12 Red and Force derailleurs

Upgrade your Sram Eagle drivetrain with supreme shifting performance and reduced friction

plug in the cranks and go play

right next to the crank arms

Kolossos ST Oversized Derailleur Cage - Rival eTap deadstock Aero Kolossos for Sram AXSKolossos, derived from the Greek word for a statue much larger than its original subject, aptly describes this oversized derailleur cage. By replacing your stock 12 tooth pulleys and cage with a 14 tooth top pulley and a 19 tooth bottom pulley mounted on the stiffest cage available, you can achieve reduced friction, improved shifting accuracy, and enhanced chain retention. Kolossos users appreciate the smooth shifting, quiet ride, and seemingly