Originally Posted by
juvela
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the difference in size is eight mm's of diameter, or four mm's in radius
sounds like your example one produced for export to the english speaking world where twenty-sevens were the norm
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This raises an interesting question: did Motobecane (and other European manufacturers for that matter) actually build different frames and forks for for the English-speaking part of the world, or did they just use different brake calipers to deal with the 4mm reach difference?