?Condition Notes - Brand New Never Installed - OVERSTOCK Item The Sierra 700C tires are built with both performance and style, featuring a low rolling resistance design. Specifications: Make: Maxxis Model: Sierra 700x23c TPI: 60 Max PSI: 120 Weight: 400g Type: Clincher Risk-Free Purchase - State Bicycle Co. offers FREE EXCHANGES* -If this item doesn't work out, we'll send you a return label and exchange for free!