The Road Rider 72's 78a Wheels in Black are your classic, all-purpose freeride wheels. Featuring a center-set, square lip design, and a 52mm contact patch for grippy goodness, these meaty slabs of high-rebound urethane are 72mm in diameter, and 78a durometer. Road Rider detail at one side. Available in colorways as seen below. Colors are limited to specific size. See colors below for correlating size. Sizes available as seen below. Wheels sold in set of four.