Find new ways to enjoy trekking and daily flat-handlebar riding with this reliable rear CUES RD-U6020 Shadow derailleur's seamless shifting and pedaling. Its low-profile design and chain stabilization give riders the confidence to choose rougher routes. Plus, e-bikers will benefit from reliable, long-lasting performance thanks to its eBike rated design. ONLY compatible with CUES LINKGLIDE shifters of matching speed specification. ONLY compatible with CUES 10-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. Designed and tested to provide enduring e-biking performance. 11t upper and 13t lower pulley wheels. Compatible with LINKGLIDE AND HG 11-speed chains. Item Specifications: Largest Cog: 39, Color: Black, Color: Silver, Rear Der/Shifter Compatibility: Mountain, Rear Derailleur Mount Type: Rear Direct Mount, Rear Derailleur Mount Type: 10x1 Standard, Drivetrain Speeds: 10, Designed for ebike: Yes, Chain Wrap Capacity (teeth): 44, Cage Length: Long,