I haven't touched my 29er since I got a 29+.
PS I can run regular 29er tires on the 29+ if for some strange reason I wanted to.
I can also run 26x4 wheels/tires.
My 29+ has 135/170 hub spacing and a 100mm BB shell. I am having no issues with these spacings.
Last edited by GeoKrpan; 03-23-16 at 02:39 PM.