Sturmey Archer SFX30 single-speed freewheel for 3/32" chains offers smooth rolling, durable construction and reliable performance for city bikes and track-style riding.

Sturmey Archer SFX30 BMX single-speed freewheel with 16 teeth fits 1/2×1/8" chains and BSC threaded hubs, offering durable chrome-plated steel construction and reliable performance.

Sturmey Archer X30 BMX single-speed freewheel with 13 teeth fits 1/2×3/32" chains and delivers durable steel construction with smooth, reliable performance.

Durable 15T Sturmey Archer SFX30 freewheel for wide chains and flip-flop hubs. Chrome-plated for long life and smooth, reliable drivetrain performance.