Sealed type ball bearing conversion kit. Replaces standard cup and cone bearings with separate balls. Supplied with fitting instructions.
Top bearing OD: 2-1/8″
Top bearing ID: 1-1/8″
Bottom bearing OD: 2-1/8″
Bottom bearing ID: 1-3/16″
For BSA A, B and M group models.
OEM: 66-4149, 65-5126, 65-5127
Our part no: 664149K
CLASSIC BIKE SPARES specialises in spare parts for classic Triumph, Norton and BSA motorcycles. We carry over 5,000 parts, and we are getting more all the time. Enter the part number or part name in the Search box to find your part. If it's not on the shelf, we can try to get it for you! Some of the brands we stock are Amal carburettors, Lucas electrical, Tri-Spark and Boyer ignition kits, Devon rims and spokes, Hepolite pistons and Harris Triumph parts.
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