Bontrager AW2 or AW3 Hardcase Lite is a smooth tire with great puncture protection. I have a set for my commuter when I want the wider tire. It shows some grooves on the side, but it is not raised.
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Brian | 2023 Trek Domane SLR 7 AXS | 2023 Trek CheckPoint SL 7 AXS | 2016 Trek Emonda ALR | 2022 Trek FX Sport 5
you should learn to embrace change, and mock it's failings every step of the way.