Norton Commando Twins Layshaft Roller Bearing 06-7710 1969-75 Front Rear 300 Diameter & spokes are

300 Diameter & spokes are 9-10 gauge

Drive Side & Timing side on BSA B50 models from 1971-1972

*****While this Bracket is Correct for 1970 500 & 650 Unit Twins

Please note that this mirror is sold each as pictured - choose which mirror type you desire from the drop down menu

OEM part number is 06-6357

Norton Commando Twins Layshaft Roller Bearing 06-7710 1969-75 Front Rear 300 Diameter & spokes areNew FAG Norton Commando Twins "Upgrade" Layshaft Roller Bearing. If your rebuilding your Norton Gearbox, or even contemplating about taking it apart then you need to read this! Due to many unfortunate catastrophic Ball Bearing failures on the Norton transmissions, (specifically the Layshaft) caused by low quality bearings, axial loads and friction, we have found an excellent quality replacement roller bearing which will eliminate your problems and