SCHWINN STYLE WHITEWALL 16 X 1.75 BRICK S2 W/ 20 X 2.125 S2 WIDE SLICK 6PC SET.
305 mm — Fits Schwinn S2 rims for compact cruisers and kids’ bikes. Rim Compatibility Schwinn S2 rims (ISO 305) Schwinn S2 rims (ISO 406). Tire 2: Alta Wide Slick Tread — 20 x 2.125. Tire 1: Alta Classic Mini Brick — 16 x 1.75.