Campagnolo Chorus Rear Derailleur (12 Speed) D4 Adding an additional sprocket might

Adding an additional sprocket might seem simple

As carbon rims have become hookless and increasingly more durable

Press Fit BB386 (86

Tool Pattern: 44mm

Campagnolo Chorus Rear Derailleur (12 Speed) D4 Adding an additional sprocket mightThe new Chorus rear derailleur benefits from the same technology and design of top end Campagnolo products, incorporating the sophistication and performances of the 12 speed Super Record and Record. With just a few changes in the materials used for its construction, like the external plate and derailleur cage in aluminum, the Chorus version produces exactly the same performance as the two more expensive groupsets with the addition of just a few extra