SRAM eTap AXS users can go big now. Like Kolossal big! Kolossos is the Greek word for a statue, much larger than the original subject. Sounds appropriate for replacing your 12 tooth pulleys with a 19 tooth bottom and a 14 tooth top pulley, built on the stiffest cage on the market.

Besides reduced friction, this cage is built with shifting accuracy, gravel worthiness and chain retention in mind.

Compatibility: This model will fit on SRAM Red and Force eTap AXS 12 speed derailleurs.  This product is not compatible with SRAM Rival eTap AXS derailleurs.  

** Please note Installing this oversized derailleur cage typically requires replacing your chain to accommodate the larger pulleys.   Full installation instructions can be found here

**Kolossos is a component upgrade for Sram eTap AXS derailleurs. Derailleur not included**