Kogel Kolossos Derailleur Pulley R9100/R8000 Offers Extremely Low Friction

DER PART KOGEL PULLEY KOLOSSOS w/INNER CAGE OS 12/19T R9100/R8000 RD

• 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
• Fits SS (short) cage and GS (mid) cage right out of the box
• Oversized 12 and 19 tooth Kogel pulleys
• Compatible with Shimano only