SRAM X4 Rear Derailleur - 789 Speed Long Cage Black Derailleur Hanger Paired with ergonomically designed aluminum

Paired with ergonomically designed aluminum brake levers for durability

Diameter 700C Front/Rear or Set Front ID Width (mm) 15 Axle Size QR Rim Color Blk MSW Rim Model Mavic Open Elite Hub Model Shi RS400 Hub Spacing 100 Hub Color Blk Gears Brake Type RIM Spoke Type DT-2

100% free from BPA

and outstanding controller

open design and concise V-Grooves in the center and side blocks for direct

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black Derailleur Hanger Paired with ergonomically designed aluminumAffordable and reliable derailleur is great for repairs and upgrades. Compatible with 7 8 and 9 speed systems 1: 1 shifter to derailleur actuation ratio for precise light action indexing Largest Cog 34 Color Black Rear Der Shifter Compatibility SRAM 1: 1 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 9 Weight 280 Chain Wrap Capacity (teeth) 45 Cage Length Long