i believe in fixies":2iczzx3n said:Big thumbs up for Schwalbe Marathon Plus, I use mine daily on a rough commute, brilliant, brilliant tyre. I've pulled large bits of flint and glass out of them but they've never gone all the way through and punctured. The only criticism with them is they are a @#$%^&**()!><><:;"[{+\| to get on the rims. No idea what they're like to take off though, never had to.