foz":27uubiji said:I think you'll have a very hard time trying to find a front mech from that time period in 31.8mm. That standard didn't come along, or at least become well known and easily available, until later, at least in road bikes. I?ve never seen a 1055 or 6400 in 31.8mm clamp.
You might be better looking for a braze on type and using an adaptor.
what frame is it for?
shed":3k365umw said:got a 105 braze on for £12 inc postage
shed":oo2cc1wu said:got a 105 braze on for £12 inc postage