More space in the cassette with 28 teeth thanks to the long articulation arm.

• Quiet shifting with the new AeroGliof sheaves and ceramic bearings.
• Fixing screw on the new spring.
• Technology : Exact Actuation AeroGliof-wheels.
• Speeds: 10.
• Weight: approx. 145 g.
• Material: carbon cage, carbon inner forllelogram, small Titanium aerodynamic parts.