Bicycle Hub, For 412 Folding Bike, 20H 4-Bearing 85mm OLD, 9-13-17T 3-Speed Freewheel, Aluminum Alloy Hub With Steel Flywheel, For DIY Wheel Build(Red

Details

• 4-Bearing Hub Design: Delivers smooth, consistent rotation with enhanced durability for frequent folding bike use on city commutes or light rides.
• 3-Speed Freewheel Options: Includes 9T, 13T, and 17T sprockets to adapt effortlessly to flat roads, gentle inclines, and stop-and-go urban traffic.
• 85mm OLD Precision Fit: Engineered with exact 85mm over-locknut dimension to insure secure, stable integration with standard 20-inch folding bike frames.
• 20-Hole Spoke Compatibility: Supports balanced wheel lacing with 20-hole hub drilling-perfect for lightweight, responsive wheel builds on compact folding bicycles.
• Lightweight Aluminum Hub and Steel Freewheel: Combines aluminum alloy hub and axle with a robust steel freewheel for reliable power transfer and reduced rotational weight.