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4TR21 | Challenge BS Sprocket

2 In stock - FREE next working day delivery available

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£7.7(ex VAT)

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Product Information

Attribute Value
Manufacturer: Challenge
Material: C45 steel.
Pitch: 1/2"
Teeth: 21
Outside Diameter De: 89.7
Pitch Diameter Dp: 85.2
Hub Diameter d: 70
Pilot Bore Diameter D: 20
Distance Through Bore H: 55

Product Description

This 21 teeth 1/2″ sprocket with a Pilot Bore of 20 mm is manufactured by Challenge in C45 steel. . This Triplex sprocket fits chain 1/2” x 5/16” and has a part number 4TR21 and is available from stock. If you require additional information please contact Sales on 01952 676926.

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