KENDA Kwick Mountain Bike Tire - K879 Black - Semi Slick Tread Style - FREE SHIPPING - FREE VALVE CAP UPGRADE WORTH $4.99! ***ONLY REPLACE TIRES WITH EXACTLY THE SAME SIZE [DIAMETER] x [WIDTH] AS USED CURRENTLY*** SEMI-SLICK STYLE - Provides excellent rolling & grip characteristics both on on and off-road SMOOTH CENTRE RIB - Smooth main contact point with side grip for cornering FREE METAL VALVE CAPS - 3x Higher air retention over standard caps SKYSCAPE CAPS WORTH $4.99 FREE - Schrader style (Presta available by request/email at the time of your order)