IMO, unless you find one that's been scrapped, you're unlikely to build a working example for less than what the UK agent charges for a new one: http://www.cyclecareswindon.co.uk/pedersen.html
@HarmanMogul started
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IMO, unless you find one that's been scrapped, you're unlikely to build a working example for less than what the UK agent charges for a new one: http://www.cyclecareswindon.co.uk/pedersen.html