The Challenge range of sprockets is produced from either C45 steel which can be both welded and hardened, or GG22 close grain cast iron.
All standard steel sprockets are produced from either sawn bar or from a forged blank.
Special sprockets in small quantities are produced from plate and then welded onto a hub.
The range includes BS and ANSI sprockets, platewheels and idler sprockets. A wide range of bore options are available including pilot bore, taper bore and QD.