2pcs MTB Road Bike Tire 26×2.10 Maxxis Crossmark Bycicle Tyres Cycling Tire#. The CrossMark is the dramatic evolution of the cross country racing tyre. The nearly continuous center ridge flies on hardpack, yet has enough spacing to grab wet roots and rocks. The slightly raised ridge of side knobs offers cornering precision never before seen on a tyre this fast. Perfect for over hard to medium pack terrain. Great balance of cornering control mixed with rolling efficiency. Dimensions: 26 x 2.10 PSI: 65 maximum. Wire bead (Non-Folding type). Includes 2 x Maxxis Crossmark 26×2.10 MTB Tyres.