Description
Front derailleur clamp Shimano sm-ad91l 34.9 mm
The shimano dura-ace di2 r9150 front derailleur adapter for 34.9 mm clamp has an elaborate system called system supremacy. Each component improves the qualities of the others to guarantee excellent results
. Advantages of system supremacy:
- new hub arm design for optimal power transfer
- precise and simple front derailleur set with lighter and more intuitive shift operation
- shimano shadow rd construction for stable shifting results
- perfectly balanced hydraulic braking system for racing with better heat dissipation
- ice technologies freeza
