ALTA SCHWINN STYLE BRICK 16 X 1.75 S2 TIRE W/ 20 X 2.125 S2 DIAMOND TIRE 6PCS.
305 mm — Fits Schwinn S2 rims, ideal for smaller bicycles and cruisers. 406 mm — Fits Schwinn S2 rims, ideal for full-sized cruisers and rugged bikes. Tire 1: Alta Classic Mini Brick — 16 x 1.75. Tire 2: Alta Heavy Duty Diamond — 20 x 2.125.