Originally Posted by
vespasianus
Mullett is the term when you use two different sized wheels (27.5/26 or 27.5/29). The point of the gripper and fatter front tire is that it helps you carve turns and deal with downhills better. Loosing traction going uphill could be because of lots of situations. A gripper front tire won't do much to help climb. Sounds like you need a grippier rear tire.
No, as I say, with the Ventures I'm running I'm totally fine on my terrain (650bx47) - they hook up great. It's not that I'm having a grip issue (I was previously with Byways, but that's a different story) - I was just curious about the config I've seen some people calling a "mullet" when it's the same size front and back, but knobby on the front/slick on the back, and if the idea was that helped with climbing traction somehow--I couldn't see how it would. I gather now it's more about other aspects like cornering, etc.