Sprockets Main

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

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