Well I ride some gravel on my current street tyres, but speed is very limited and they don't like the spikiness of the rocks over time ... I wanted to increase both the speed and quantity of unpaved roads I can ride, hence the "chunky", but I still need to ride this bike to work so can't go too mad!
Anyway, I've put this off 'till next year now, getting my new cheapy road front tyre tomorrow
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