Maxxis Ikon Tire - 29 x 2.2, Tubeless, Folding, Black/Dark Tan, Dual, EXOThe Ikon is a lightweight, high volume XC tire that rolls fast and has ample tread to provide secure traction in varied conditions. Dual compound rubber offers low rolling resistance and increased cornering grip EXO casing provides protection on sidewalls for extreme cut and abrasion resistance while remaining lightweight and highly flexible Ramped center knobs roll fast and provide excellent traction for climbing and braking Progressive shoulder lugs