DER PART KOGEL PULLEY KOLOSSOS w/INNER CAGE OS FOR RIVAL ETAP BK

Description

Upgrade for 12-speed Sram Rival eTap AXS derailleurs

Built to offer extremely low friction paired with increased stiffness for loss free shifting

Long tooth profile on lower pulley offers best possible chain retention

Lower pulley assembly features a chain catcher to prevent jams

Can be used dependably on or off road

Oversized 14 and 19 tooth Kogel pulleys