Yes to a 453. At the moment just a singlespeed. Don't fancy the fixed till I build up some confidence. Didn't realise I could get a bigger rear cog and just use the big front ring, worth a thought, thanks. How do I tighten the chain up though? Put chain on then pull the wheel back and somehow with my third hand tighten the nuts? Lol. And the geometry is soooo nice I'm comfy in the drops so may well lose the dual levers, won't hurt me to trim the gut anyways. I'm in Longwell green. Thanks all for the advice. I was going to leave it at work as an emergency 'get me homer' - but now I've built it I can't bear the thought of it just sitting there. (Already looking for the next project!)