• ONLY compatible with Shimano CUES 9-Speed LINKGLIDE shifters
• Stable drivetrain performance on trails, gravel, and city streets
• Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes
• Optimized geometry and spring tension reduce chain drop
• Designed and tested to provide enduring e-biking performance

This CUES RD-U4000 Shadow 1x9-speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail-riding comfort zone. Its low-profile design and chain stabilization will give them the confidence to choose rougher routes. ONLY compatible with CUES 9-Speed LINKGLIDE shifters.Features-ONLY compatible with CUES 9-Speed LINKGLIDE shifters-Stable drivetrain performance on trails, gravel, and city streets-Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes-Optimized geometry and spring tension reduce chain drop-Designed and tested to provide enduring e-biking performance-13t pulley wheels-Compatible with LINKGLIDE AND HG 11-speed chainsItem Specifications-Largest Cog:46-Color:Black-Color:Silver-Rear Der/Shifter Compatibility: Mountain-Rear Derailleur Mount Type: Rear Direct Mount-Rear Derailleur Mount Type:10x1 Standard-Drivetrain Speeds:9-Designed for ebike:Yes-Chain Wrap Capacity (teeth):35-Cage Length:Medium