Kolossos ST Oversized Derailleur Cage - Red & Force eTap AXS Color:Black and they won't wear out

and they won't wear out or break like like stock plastic pulleys

Kogel Bearings has always had a strong connection to off-road disciplines

When it comes to marginal gains

or logging daily miles

Kolossos ST Oversized Derailleur Cage - Red & Force eTap AXS Color:Black and they won't wear outKolossos, 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 with a 14 tooth top pulley and a 19 tooth bottom pulley, both mounted on the stiffest cage available, you can achieve reduced friction, improved shifting accuracy, and enhanced chain retention. This design ensures maximum drivetrain efficiency, allowing you to ride faster