Sturmey Archer SFS30 Single Speed 21T Chrome

SFS series Single Speed Freewheel
1/8" Chrome Plated

Suitable for BMX and Urban bikes

Fits 1/8" chains
16-22 Teeth sizes.
2 pawl mechanism
Ball bearing

Fits to ISO threaded hubs 1.375" x 24 TPI
Note: Always apply a little grease to the threads when fitting.

Use TLSF2 Freewheel remover to extract. 2STTLSF2

SFS series Freewheels are also available in 3/32" chain type options,

and Mini SFX (M30) Screw-On 13-15T, 1/8 and 3/32 types.