Features:
- Material: Alloy B knuckle, Alloy links, High Strength Grilon® Composite P-Knuckle, Serviceable sealed pulleys,
- Outer Cage: 6061 Alloy
- Inner Cage: Steel
- 10 Speed
- 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
- Must be used with ESP shifters
- Aluminum upper knuckle
- Replaceable 11-tooth pulleys with bushings
- Exact Actuation shifting
- Serviceable sealed pulleys