The chainline on a couple of my bikes are out and it's fine. I'm not sure by how much but it's enough to see it if you eye it up, so at least 1 or 2mm. I genuinely doubt even a 'perfect' chainline on paper gets closer than 0.5mm in practice as there are so many factors at play.
The chainline on a couple of my bikes are out and it's fine. I'm not sure by how much but it's enough to see it if you eye it up, so at least 1 or 2mm. I genuinely doubt even a 'perfect' chainline on paper gets closer than 0.5mm in practice as there are so many factors at play.