• I am looking for a vintage Campagnolo bottom bracket to go on the Mercian when it arrives

    The thread is going to be 68mm BSC and the rear wheel axle spacing is going to be 120mm

    So what bb axle length do I go for, is it 109mm?

    and how do I know if I have got the right one

    Would the right one be marked SS-P-120 by any chance.?

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