Ball Kolossos Derailleur Cage For. Shimano GRX - Gray

Kogel Speed Kolossos for Shimano GRX 2x (11 & 12-Speed, Mechanical & Di2): The Fastest Oversized Derailleur Cage for Gravel
Gravel doesn’t mean slow.
The all-new Kogel Speed Kolossos for Shimano GRX 2x (11 & 12-speed, Mechanical & Di2) is designed to bring unmatched efficiency and performance to mixed terrain riding.
Whether you're racing gravel, tackling epic adventures, or just looking for a smoother, more efficient drivetrain, this oversized derailleur cage is built to optimize every watt.

With a sleek, aerodynamic design tailored for gravel speeds, the Speed Kolossos reduces drivetrain drag while maintaining the durability and crisp shifting Shimano GRX is known for.
The custom-machined cage and oversized ceramic pulleys minimize friction, helping you ride faster and longer with less effort—no matter how rough the road gets.

- If you’re looking for next-level efficiency on gravel, the Speed Kolossos for Shimano GRX 2x delivers.
- Smoother, faster, and built for the long haul—because speed isn’t just for the road.

Specifications:
Brand: Kogel
Model: Kolossos
Type: Deraileurkooi
Color: Gray