Campagnolo Chorus - 12 - Swing: Down - Cable Pull: Down - Braze-on - Front DerailleurUpper semi rod not connected to the lower one for more effective, precise movement and no contact with travel limit The derailleur stops transmission contact and friction to improve maximum cross chaining situations Designed to accommodate tires up to 32mm without the risk of contact with the derailleur Double position fixing of the cable allows for maximum compatibility with frames and tires An optimized position for every engaged sprocket means