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after a 1980s peugeot bike- one of p10s, for example pr10, pn10, pa10, get confused with which letters were out at what time to be honest, I think the 80s ones might be always known as super competition. probably not px10, as i suspect it would be slightly out of price range. i'm after one with chromed forks/partially chromed, to be totally honest this is purely for aesthetic purposes- would of course love a chromed rear triangle, although I think this is purely on the px10. to cut a long story short, any colour variety of this https://c1.staticflickr.com/9/8381/8644822436_dfc9634257_z.jpg . after full bike or frame/forks. budget is around £200

cheers for message, was really helpful, i guess changing the front cog isn't as essential as I thought. do you reckon I will be able to get an adequate chainline without changing the bb, and presumably if I did would all english threaded bb be no good?

hey, cheers for the reply, sorry im a bit late in replying- i thought i would get email notifications if anyone messaged me, so didnt check the thread, but alas not. iv given it some thought and to be honest i think i would like to replace the chainset, as im new to fixed/single-speeed i want to be able play with around with my ratio and work out what i prefer- i realise I could do this with the rear cog but id prefer a bit more flexibility- the bike wasn't too expensive so I have some money to play around with. however, quickly if i didn't buy a new chainset, are the front cogs like in the second ebay link an option? also can i remove the inner chain ring on the bike? if i do replace the chainset my concern is the bottom bracket- as i realise its going to be french threaded- would i definitely have to replace the bottom bracket- would for example new cranks fit and could i get the chainline right with with other methods, like what you suggested? if i did replace the bb, i wouldnt really know where to start with getting one that fits, considering the threading, would it be very complicated? sorry to bombard you with questions, any light you can shed on any of them would be much appreciated.

Hey, sorry for adding this to presumably the mounds of single speed conversion questions from relative noobs like myself. I realise there are resources out there that should cover the majority of this stuff, sheldon brown ect, but for some reason I've had no luck on shedding light on my particular question.
Anywho, I just purchased a 70s Peugeot bike for a singe-speed conversion. http://www.ebay.co.uk/itm/171472263702?_trksid=p2060778.m2750.l2649&ssPageName=STRK%3AMEBIDX%3AIT I had been endeavouring to get an 80s peugeot, as I get the impression they are a little bit more straightfoward, english-threaded bottom bracket, for example, however this particular model came up which I've always had a soft spot for so I went for it. As I said I am a relative noob when it comes to a conversion (been riding geared road bike for the last 5 years) so forgive my probable butchering of termnology, but basically another issue I had forgotten you encounter from 70s bikes is (expressing this as best as I can) the crank arm and chainring being seperate, at least not like later bikes in which you can just interchange chain rings- hopefully the photos on the ad will explain it better than me.
So basically my question is how bigger deal is this for a conversion? My assumption is that I won't be able to remove the chainring without removing the crank (which is bit irritating as I live in an area which is relatively hilly so wanted to be able to change quickly depending on the terrain) and therefore what am I better off purchasing, just the appropriate chain rings, something like this http://www.ebay.co.uk/itm/48-TOOTH-50-122BCD-STRONGLIGHT-TYPE-49-3-32-CHAINRING-BOLTS-/371148506390?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item566a2cc516, or buying a new more modern crank arm?
cheers, any advice would be appreciated.