Kogel Shimano R9250/R8150 Di2 Kolossos Oversized Derailleur Cage (Black) Brand-Yokozuna 2002- Response

2002- Response

Strategically placed grippers keep the jersey in place

and anodized surfaces

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Kogel Shimano R9250/R8150 Di2 Kolossos Oversized Derailleur Cage (Black) Brand-Yokozuna 2002- ResponseThe Kogel Bearings Kolossos Oversized Derailleur Cage unlocks top tier drivetrain efficiency by implementing ceramic bearing pulleys for silky smooth movement and sturdy CNC machined alloy arms for stiff performance that will shift reliably with less flex. Features Offers the lowest friction possible while maintaining shift accuracy Includes pulleys with ceramic balls and steel races Long tooth profile on lower pulley for best chain retention Chain