Old tyre fitting

bice
bice Posts: 772
edited August 2008 in Workshop
I have a 1970s-80s Claud Butler with Michelin tyres marked 32-630, 27x 1 1/4 'World Tour'. I was trying to fit some new Marathon Schwalbes I have to the wheel but they are 37 x 622, 128 x 13/8 - 700 x 35 HS 308.

I haven't a clue what this means, but the Marathons seemed way too small for this wheel. Any idea where I can get some modern, ideally Schwalbe Marathons, that will fit? I will go for 28s or smaller rather than 35s which are probably too fat anyway for this race bike.

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