High Gear Bearing (ball journal) as fitted to 350cc & 500cc Triumph unit construction models. Also BSA 250cc C11G, C12 4 speed, C15, B40 Sports (1965-66), C15, B40 (1967-), 500cc B50 (1971-72), Triumph TR25, TR25W (1967-) and Royal Enfield 350cc, 500cc & 700cc models.
OEM: 57-0665, T665, 70-8014, 29-3857
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