700 x 28c Caldera Skinwalls are Cheng Shin Tire's CST Premium line. Lightweight at 300 grams and super high pressure of 120psi for speed. CST builds in durability, too, with thicker rubber for long-lasting tread wear. Excellent for commuters, training, and anyone who piles on the miles. Makes your fixie, track, or road bike ride like new. BikemanforU Combo includes 2 tires, 2 presta valve tubes with your choice of 32mm, 48mm, or 60mm stem, and 2 rubber rimstrips to protect tube from spoke nipples.

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