The Campagnolo Record Carbon 10s Rear Derailleur is a high-performance component designed for 10-speed bikes. Made with a combination of composite, aluminum, titanium, and carbon fiber materials, this derailleur is lightweight at 187g and features a short cage derailleur cage length. It is compatible with various bike types including road bikes, time trial/triathlon bikes, folding bikes, and more. The sleek black color and hanger mounting type make it both functional and stylish, providing a seamless experience for cyclists looking to upgrade their rear derailleur with a reliable and durable component like the Campagnolo Record.