One pair of used Continental Grand Prix 5000 23-622 road bike tyres and two Continental 18/25-622/630 inner tubes. These 23mm width tyres for standard size road bike 700C wheels have covered approximately 1000 miles since April, with no punctures. The tyres should cover another few thousand miles before needing replacing. Excellent, fast-rolling tyres, only selling as I have purchased wider tyres.
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