SRAM X01 DH 7-Speed X-HORIZON™ Rear DerailleurSRAM X01 DH X HORIZON 7 SPEED REAR DERAILLEUR The 7 speed X HORIZON rear derailleur makes shifting smooth and reliable no matter where you ride. Engineered to maintain consistent chain gap across all seven gears, X HORIZON eliminates vertical movement for faster shifting, reduced shift force and an end to ghost shifting. Our new, Type 3 ROLLER BEARING CLUTCH features a smoother torque curve for a quieter, more consistent operation and feel. The 12