Shimano CUES RD-U4010 Rear Derailleur – 9/10-Speed Shadow Design Direct-Attach Short Cage Black. 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 chainstay 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

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