Bike Hubs Aluminum Alloy 85mm Open Width 20 Holes Single Triple Speed Bicycle Rear Hub 2 Bearing Structure 9 13 18T

Feature: 1. Made from lightweight and strong aluminum alloy for enhanced durability and performance. 2. 85mm open width ensures compatibility with a wide range of cassettes and wheels. 3. 20 holes design for versatile mounting options on different bicycle models. 4. 2 Bearing structure for a smooth and efficient power transfer. 5. Available in both single speed (9T) and triple speed (9 13 18T) gear ratios to suit different riding styles. Specification: Material: Aluminum AlloyBearing Structure: 2 BearingGear Ratio: Single Speed 9T Triple Speed 9 13 18T(optional)Mounting Holes: 20Open Width: 85mmMounting Type: CassetteWeight: Single Speed 226.1g Triple Speed 252.3g Package List: 1x Rear Hub