the problem was a small (but sharp) strip of metal (maybe packing material) I didn't see in the dark :(
with normal road tyres, that's pretty much inevitable really, unless you're using touring tyres/city tyres like the randonneur/marathon/top contact etc.
with normal road tyres, that's pretty much inevitable really, unless you're using touring tyres/city tyres like the randonneur/marathon/top contact etc.