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Kogel Kolossos Derailleur Pulley
- 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
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