I just put on a new set of 27.5+ 2.8 Nobby Nic's on my 2019 Chameleon. I have Knight Composite hoops that have a 45mm internal. I'm getting rub when cornering. I noticed that the frame has more clearance on the drive side than the non drive side because the rear triangle is thinner on that side for the chainring. Is that the same on all Chameleons or is the clearance the same on both sides? I also haven't switched the dropouts to the 27.5+ ones but I don't see that being the issue. Any ideas? Or is tire rub at 2.8 to be expected?