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Some lore out of the cheap tire world for those who want to cheap out:
Been happy with 28mm 4seasons, now almost run through my pair - no flats so far.
For my recent tour through the Alps I wanted to switch to 32mm tires without blowing 100 bucks again for a pair of tires.
The Conti Ultra Sport (622-32 costs 13€) and Conti Contact Speed (622-32 costs 20€) seemed promising so I ordered both
Ultra Sport: racing semi slick with no puncture protection
Contact Speed: fast "urban" alrounder with medium puncture protection and slight texture
Decided to use the Cotact Speed for the Alp tour. After 450km no flat on road, gravel, forest paths, snow and ice patches. Good tire, would buy again.
The Ultra Sports went on my urban beater bike, which I ride daily through the city. Went untintentionally through patches of smashed glass - no flat yet. Would also recommend.