BSA Triumph Unit Single CLUTCH BASKET CHAINWHEEL C15 B44 B50 250 441 500 57-4198 Triumph Drive A much better alternative to

A much better alternative to the slide hammer/stacks of washers methods promoted on various Norton forums

Used on a huge number of European machines of the '70s and '80s

Still in factory Moto guzzi packaging

The card measures about 7" x 5"

Metal-lok rather than nyloc

BSA Triumph Unit Single CLUTCH BASKET CHAINWHEEL C15 B44 B50 250 441 500 57-4198 Triumph Drive A much better alternative toModern production, imported from UK, very good stuff. Usual BSA part numbers and all others supersede to 57 4198. Should fit all BSA and Triumph unit singles, other than Terrier and Cub. Springs and gasket available in the store, in other listings.