3 Speed Bicycle Freewheel 18T 21T 24T, Steel Flywheel for Folding Bike, 98.5mm Threaded Hub Cassette, Black Rear Gear Cluster for Spin Hub

Details

• 3-Speed Gear Versatility: Smoothly transition between 18T, 21T, and 24T sprockets to match varied terrain and riding intensity-perfect for urban commuters and folding bike enthusiasts.
• Robust Steel Build: Precision-engineered from hardened steel for dependable performance and resistance to wear during frequent use.
• Compact Folding Bike Fit: Optimized dimensions (98.5mm diameter x 15.5mm height) insure seamless integration with compact hub setups on standard folding bicycles.
• Lightweight Efficiency: At just 252.2g, it reduces rotational mass without compromising strength-supporting agile acceleration and responsive pedaling.
• Standard Threaded Hub Compatibility: Designed for hubs with 34mm outer diameter threading, offering straightforward replacement or upgrade for common 3-speed internal gear systems.