Red ETAP Valve Extenders 11t upper and 13t lower

11t upper and 13t lower pulley wheels

More than an entry-level tire

The Michelin Gum-X Technology

The DURA-ACE RD-R9250 12 speed Di2 electronic rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast

reducing the chance

Red ETAP Valve Extenders 11t upper and 13t lowerFits all 11 speed SRAM road cassettes up to 11 32t 2x and 1x compatible Updated version of the original SRAM RED eTap rear derailleur Orbit chain management technology keeps drivetrain quiet and secure Larger X SYNC pulleys and ceramic bearings for increased durability and efficiency Compatible with existing eTap batteries Battery not included SRAM Model ID: RD RED E A2 Attributes Maximum Cog 32T Minimum Cog 11T Speed 11 Mount Standard