The coarse tread on the sides makes this all-rounder perfect for riding in sand or gravel, but the continuous center line allows you to ride hard on asphalt as well. Specifications: Color: black Material: rubber Weight: 785 grams Inch size: 24 x 1.95 ETRTO size: 53-507 Type of bicycle: children's bike, MTB Type of tire: wire tire Reflection: yes