The masterpiece of the 2011 Campagnolo model range! Speed precision smoothness & better looks: the first rear derailleur with carbon fibre upper & lower body will amaze even the most demanding of cyclists. Key
Features: Carbon fibre parallelogram & Exclusive Ultra-Shift geometry gives maximum shifting rigidity fast actuation precision friction reduction. Ultra-Shift carbon fibre lower & upper parts offer weight reduction shifting precision longer durability. Ceramic ball bearings in the bottom pulley wheel offer friction reduction maximum smoothness maximum durability. Titanium hanger & pivot bolt. Lightened special rubber pulleys. Compatible with Campagnolo 11 speed groupsets. Capacity: 11/23 to 12/29. Weight: 158g (PBK office scales).