Sturmey Archer lockring for 12 spline drivers. (TF, and other pre-WWII hubs). For use with a single speed freewheel. Quite rare, we had this reproduced from an original we had. $60
Sturmey Archer Lockring for sale
Sturmey Archer lockring for 12 spline drivers. (TF, and other pre-WWII hubs). For use with a single speed freewheel. Quite rare, we had this reproduced from an original we had. $60
Via Bicycle 