Rock

Brand: Hutchinson

The Rock is the small-wheel half of Hutchinson's Rock family, a city and children's tyre for wheels from 14 to 24 inches: 14x1.75 and 16x1.75 on 254 and 305 mm rims, 20x1.75 and 24x1.95. Every reference uses the same plain build, a wire bead on a 33 TPI casing in tubetype construction with black sidewalls, and claimed weights climb from 420 g for the two smallest sizes to 650 and 860 g. The 26, 27.5 and 29 inch sizes of the same family are catalogued separately as Rock II.