PULLEY OSPW NOVA RIDE SHIMANO R8000-R9150 14/17T CERAMIC W/CAGE - GREY

Designed by our French Engineers NOVA CARBONE Ceramic rear derailleur improves the fluidity of your transmission, enhances efficiency to satisfy the most demanding. Made in very high-end materials: ultra-light carbon fiber and ceramic bearings. Two Oversized aluminum wheels, coupled with ceramic bearings decrease the chain winding angle with minimal friction. In this version, the Oversize cage is only compatible with the Shimano Ultegra Features : Weight : 72 g Watt Saved: 4 - 5 W compared to a conventional cage. Please note : We recommend adding 3 to 4 links to your chain with the installation. We recommend a maximum 32T cassette for the optimum gear change. compatible with the clutch equipped Ultegra RD RX800 amp; RX805.