Duro Brick Tread Bicycle Tire, 26" x 2.125" - BLACK, for Beach Cruiser Bikes & Mountain Bikes AUTHENTIC DURO COLORED TIRE FOR BEACH CRUISERS & MOUNTAIN BIKES SIZE: 26"x2.125" MANUFACTURER: DURO BRICK TREAD PLEASE SEARCH "Duro Brick Tread Bicycle Tire" FOR OTHER COLORS.