RD-U8000 FEATURES Seamless shifting and pedaling performance that's made to last Chain stabilizer reduces chain drop, slap and noise Low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes Stylish and polished aluminum finish with machine-cut textures Total capacity: 39T CS-LG700-11 50T FEATURES Aluminum spider significantly reduces cassette weight Go further with smooth and long-lasting e-biking performance Up to three times the durability of HYPERGLIDE in high chain tension conditions Smooth 2-way shifting (inward and outward) with reduced pedal shock CS-LG400-11 45T The Shimano CS-LG400-11 45T cassette delivers smooth, reliable shifting for 11-speed drivetrains. Designed for LINKGLIDE systems, it offers enhanced durability and efficient power transfer, making it ideal for e-bikes and high-torque riding. With a 45-tooth large cog, it provides excellent climbing capability and a wide gear range for versatile performance on varied terrain. CN-HG701-11/ CN-LG500 FEATURES Smooth and reliable shifting performance Directional 11-speed chain More efficient and silent, less maintenance SIL-TEC surface treatment MTB, Road, E-BIKE 11-speed compatible Reinforced chain for E-BIKE use SL-U8000-R FEATURES Quick lever access and light operation RAPIDFIRE PLUS Easily-visible gear position indicator option improves shifting control OPTICAL GEAR DISPLAY INSTANT RELEASE 2-WAY RELEASE Lightweight, compact design ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***