The materials used in the production of bearings are of the highest standard. Research and developmet of new materials and manufacturing techniques for bearings to meet the increasing demands of high speed engines is constantly being carried out. Unlike other bearings, incorporates a steel shell with a lead copper mixture, overlaid with lead tin to give strength and performance under high load conditions.

Made in the U. K.

06-4285 fits Norton 650, 750 & 850 twins