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  1. General Bike Discussion
    I'm having a new rear wheel built for my tandem and although it's only a 7 speed I've opted to get a new hub with a 9 speed freehub body [to allow future upgrades]. I know I'll need a spacer to make a 7 speed cassette work but do I also need a 'dork disc' to prevent spoke carnage if my cheapo...
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