brompton

I've got a voucher code for 15% off on the Brompton site. I don't want any of their gifts or clothing & I already have all the bags I need. I wonder if I should just stock up on consumables while I have the chance - a spare chain, maybe replacement handlebar grips. Any thoughts? I don't want to...

I have a problem with my Brompton. The seat post keeps slipping. By the time I've cycled the three miles from the station to work, it has slipped about two inches. However, if I tighten the nut sufficiently to stop the slippage, I cannot fold and unfold the bike. Does this indicate some...