Kogel Kolossos Derailleur Pulley Phone Case Internal hub compatible

Internal hub compatible

Machined alloy construction

Diameter: 8mmLength: 6`/183cmType: KeyColor: Blk

Rear Derailleur: Shimano Altus

Kogel Kolossos Derailleur Pulley Phone Case Internal hub compatibleBuilt 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 Model: R9100 R8000 Color: Gold