Shimano Speed Kolossos Oversized Derailleur Cage - 11 and 12 Speed 105
Kogel Speed Kolossos for Shimano 11 and 12 Speed 105 Speed isn’t just for the pros—it’s for anyone chasing the absolute best in drivetrain efficiency. The Kogel Speed Kolossos for Shimano 11 and 12 Speed 105 brings next-level aerodynamics and performance to your ride, ensuring smoother shifting and maximum power transfer. Crafted with oversized ceramic pulleys and an aerodynamically optimized cage, this Shimano 105-specific derailleur system is engineered to reduce drag, minimize friction, and help you ride faster with less effort. Whether you're racing criteriums, tackling steep climbs, or powering through long training rides, the Speed Kolossos delivers unparalleled efficiency—giving you every possible advantage where it counts. Upgrade to the fastest Kolossos ever designed for Shimano 105 systems and experience a drivetrain that’s built for pure speed. Because when it comes to performance, every watt matters.