The Campagnolo Chorus front derailleur allows for immediate and responsive shifting with extreme precision.The upper half bar is not connected to the lower bar for more efficient and precise movement without contact with the stroke limit.The derailleur stops transmission contact and friction for maximum improvement in chaining situations.Designed to accommodate tires up to 32mm without the risk of contact with the derailleur.Dual position cable attachment allows maximum compatibility with frames and tires.Optimized position for each engaged sprocket means limited risk of chain contact.