The Centaur QS front derailleurs allow riders snappier and lighter shifting. They need to be interfaced with the left-hand Ergopower QS controls and envisage a new standardized fork for standard and compact cranksets.

Features and benefits: 

• For double standard and CT (compact) crankset - capacity 16 - max. chainring 55 - min. chainring 34
• Antifriction insert   
• Standardised Standard/Compact fork  versatility
• Chrome-plated nickel fork  long life and low wear
• Surface treatments  protection from rust

Tech specs:

• Weight : 91g
• To suit Braze on frames only