Features: Crafted from steel, this ebikes steel freehub body delivers great wear resistance and shock absorption for long term performances. Sealed bearings minimize friction while maintaining precise chain engagement, optimizing gear shifting efficiency for city commutes and road adventures. Designed for electric bicycles enthusiasts requiring drivetrain components, it supports riders who prioritize durability in mountain biking, cargo ebikes, or tourings setups. Tackle hill and rough terrain confidently with its triple ratchets mechanism, engineered to handle heavy electric assist systems during trail rides or daily city transportation. Suitable for 8-12 speed cassettes and available in 50.15mm/52mm heights, this bike hub part ensures integration with most modern ebikes frame. Specifications: Materials: Plastic Color: As The Picture Shows Package Weight: approx.175g Styles: (Optional) 4 Styles are Available as Shown in the Picture. Size: Mixed Size Package Includes: 1Pc Bike Freehub note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!