• Who knows anything about OpenUp frames? Riding through the shit yesterday it occurred to me that a bike that could go from 25mm to 42mm tyres would be nice and the OpenUp has been raced in TCR by Ultan I think so it has some race pedigree. 3T Exploro is a similar concept. Both are pretty spendy though.

  • I never had mudguards on my 4SD so that's not a huge issue but something to bear/bare/barre in mind.

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