Mountain bike rear derailleur Sram Dérailleur Ar Xo1 Dh 7V Chape Moyenne Noir A3

Product Description

The X-HORIZON 7-speed rear derailleur makes shifting smooth and reliable, no matter where you ride. Designed to maintain a consistent chain gap across all seven gears, X-HORIZON eliminates vertical movement for faster shifting, reduced shifting force and an end to ghost shifting. Our new Type 3 ROLLER BEARING CLUTCH features a smoother torque curve for quieter, smoother operation and feel. The 12-tooth X-SYNC pulley wheel keeps the chain in place, reducing bounce and chain slap. And CAGE LOCK technology makes removing and installing the wheel easier than ever. Paired with the X01 DH 7-speed derailleur, X-HORIZON is the backbone of X-ACTUATION technology - and that means a completely smooth shifting action. Features: - Updated rear derailleur design incorporates our proven X-HORIZON™ design and new technology - Type-3 ROLLER BEARING CLUTCH - 12-tooth X-SYNC™ pulleys - large top pulley offset to automatically adjust chain gap - sealed cartridge bearings Specifications: - Pulley bearing material: steel - Cage Material (RD): Aluminum - Speed (RD): 7s - Rope pull ratio: Exact actuation - Cage (RD): Medium - Maximum tooth: 28