Shimano CUES RD-U4010 Rear Derailleur - 9/10-Speed, Shadow Design, Direct

The Shimano CUES RD-U4010 rear derailleur has a compact cage design that is optimized to provide plenty of ground and tire clearance while maintaining smooth shifting performance for small-wheel bikes.

• Compatible with Shimano 9-Speed (11-36t) and 10-speed (11-39t) LINKGLIDE cassettes only
• Shimano Shadow RD technology allows more aggressive riding with its super low profile design that prevents the rear derailleur from hitting the chain stay in rough conditions
• With no cable adjustment barrel, you get more clearance for easy tire removal and maintenance
• Smooth rolling 11t pulley wheels
• Compatible with LINKGLIDE AND HG 11-speed chains

• Largest Cog: 39
• Rear Der/Shifter Compatibility: Shimano Road
• Rear Derailleur Mount Type: Shimano Rear Direct Mount
• Rear Derailleur Mount Type: 10x1 Standard
• Drivetrain Speeds: 9
• Drivetrain Speeds: 10
• Chain Wrap Capacity (teeth): 28
• Cage Length: Short
• Color: Black