Gearchange rubber, for BSA Bantam, C15/ B40, BSA Triple, Triumph Triple, unit construction models, closed end, round hole,ovalshape approx 1 3/4 inches long (45mm), OD 7/8 inch (21mm) 1/4 inch hole (6mm) Suits: Bantam; C15; B40; BSA and Triumph triples 1968 on Original part number: 89-3208 57-2450