Finally, I get my grubby mitts on a bike with them thar plus-sized tires. My portulent partner for the next few weeks is Marin’s Pine Mountain 1, sporting a pair of 27.5 x 3.0 inch Schwalbe Nobby Nic tires rolling on wide-bodied Maddux DD40 rims. Those tires and I are bound to become best buds, ...