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Yellow_Peril
PostPosted: Thu Jul 18, 2013 9:46 am 
Devout Dirtbag

Joined: Sat Aug 11, 2012 12:25 am
Posts: 147
Location: Shrewsbury
gavr wrote:
Quote:
...Except the wheels which really aren't the 'standard size' 20" ones, but 500A size.


Yes that's right. 500A is 440 in modern dimensions - most 20 inch wheels are 406 these days. Tyres and tubes are readily available in 440 and you'd find spokes but I reckon new rims might be a lot harder to come by. Steer clear of rusty chromed rims I'd suggest.


Would 451 do the job, or some other similar BMX size not suffice. Or would there be a mudguard issue?
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gavr
PostPosted: Thu Jul 18, 2013 9:57 am 
rBoTM Winner
rBoTM Winner

Joined: Fri May 20, 2011 5:59 pm
Posts: 665
Location: West Yorkshire
Quote:
Would 451 do the job, or some other similar BMX size not suffice. Or would there be a mudguard issue?


Standard 406 rims are much smaller and you'd likely have a problem with brake reach. 451 is a little bigger than 440 and there you might have trouble with mudguard clearance - that could depend on the actual tyres, I don't have any experience of that I'm afraid.

I believe some BMXs still use 440 but those might look a bit odd on a Kingpin
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Yellow_Peril
PostPosted: Thu Jul 18, 2013 10:55 am 
Devout Dirtbag

Joined: Sat Aug 11, 2012 12:25 am
Posts: 147
Location: Shrewsbury
Cheers gavr, helpful as ever!
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