4SR21 | Challenge BS Sprocket
£3.62
Description
This 21 teeth 1/2″ sprocket with a Pilot Bore of 12 mm is manufactured by Challenge in C45 steel. . This Simplex sprocket fits chain 1/2” x 5/16” and has a part number 4SR21 and is available from stock. If you require additional information please contact Sales on 01952 676926.
