HOME and how to join Forum Open Area General Scott topics Brum primary chain Re: Brum primary chain

Jeff Reed

Hello Colin,I think you will find the 1/2″ pitch x.305″ roller is the size used for mag. chains, the primary chain will be 1/2″ pitch x .335″ roller. (69 links plus connector) If the old chain is in place use it to pull the new one over the flywheel sprocket. Jeff Reed.