Halo Twin Rail Ii W Tire, 29Er X 2.2 inch - White Wall - TYHAT92Z multi purpose tire with Wide Wrap-around tread for traction at Hard angles puncture protection system for reduced flats Run at lower pressure for hardpack trail use, high pressure for street (85psi) Non-folding and skinwall tires have a 60tpi casing Folding bead tires in black have 120tpi casing