Thanks to trickle-down technology and the utilization of different materials, the Campagnolo Chorus 11-speed HO rear derailleur offers all the performance of Record and Super Record rear derailleurs, at a fraction of the cost. In this HO iteration, this Chorus rear derailleur has been optimized for use with disc brakes frames, offering a perfect chain line with frames that use a 142x12mm thru-axle. Designed with Embrace technology, this derailleur ensures the chain grips as many sprocket teeth as possible, for maximum power transfer out on the road. Equipped with an alloy body, a carbon outer shell and jockey wheel cage, this 11-speed Chorus rear derailleur is both immensely durable, while weighing in at a relatively svelte 183 grams. Importantly, this Chorus 11-speed derailleur is equipped with Ultra shift technology, allowing the rider to move up to 5 sprockets with a single shift, making it perfect for any all-out performance road bike. Disc brake optimized design Alloy body Carbon fibre outer shell Carbon fibre jockey wheel cage 11-speed Medium cage version compatible with 32 tooth cassettes Weighs just 183 grams (short cage version)