• Boonen was on ~28s, and he's a fairly big unit, but like you said, that's the Spring Classics, and the worst of them as far as road surfaces go. London's transport infrastructure is pretty fucked, but it's hardly pavé.

    I might consider the cushy ride of that sort of thing if most of my riding was from the luxurious position of someone soft-pedalling @30mph in the vacuum of the bunch. When I've done undulating chaingangs back to back on 23s v28s, it was definitely harder going with the latter. A case of hanging on rather than driving the line.

    On the wider subject of tyres (rather than the subject of wider tyres), based on some other current trends, might it be advantageous to run a cheaper/harder compound tyre on the back i.e. your usual favourite on the front, plus the tyre one or two down the brand hierarchy on the back? Wouldn't this be a much cheaper way of achieving the result supposedly offered by the front/rear-specific combo?

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