BSA B40 B44 B50 CLUTCH HUB 57-4200

A NEW UK MADE CLUTCH HUB FOR LATE MODEL BSA & TRIUMPH UNIT SINGLES INCLUDING B25T AND B50

IT'S ORIGINAL BSA PART NUMBER IS 57-4200

SIMILAR TO THE EARLY VERSION BUT LARGER DIAMETER AND RECESSED FOR PROVISION OF THE BRONZE FACED THRUST WASHER.

MADE TO EXACTING STANDARDS AND TOLERANCES FROM ORIGINAL FACTORY DRAWINGS