Sturmey Archer Freewheel For 1/2 x 1/8 Chains €17.99 - €18.99 Sturmey Archer Freewheel For 1/2 x1/8 Chains Chrome Sturmey Archer single speed freewheels are great quality, the established Sturmey Archer brand name is etched on to the visable surface. Available in sizes 16-22t for 1/2x1/8 chains Chrome finish Choose Options