Challenge BS sprockets are available in the following standard configurations, with a multitude of special options also available including hardened teeth, black oxide / phosphating, special coatings and custom designs.

BS Taper Bore Sprockets

06B – 24B in simplex, duplex and triplex.

Produced from either C45 steel or from GG22 close grain cast iron dependent upon the sprocket style and design

BS Pilot Bore Sprockets

03B – 32B in simplex, duplex and triplex including sizes 081/083/084 and 085

Produced from either C45 steel or GG22 close grain cast iron dependent upon the sprocket style and design

Plate Wheel Sprockets

Plate Wheels are available in sizes 03B – 32B including sizes 081/083/084 and 085

Produced from C45 steel

Double Simplex Sprockets

Are available in both Taper Bore and Pilot Bore configuration, covering sizes 06B to 16B

Produced from C45 steel

Idler Sprockets

Industry standard ball bearing insert

British Standard sizes 05B through to 20B

Also available in ANSI profile for chain in sizes 35 – 80

Produced from C45 steel