WTB Convict TCS Tough/High Grip Folding Bicycle Tire - 27.5in x 2.50 Meaty and robust, the Convict is the ideal tire for downhill enthusiasts Wide, blocky knobs till through loose, rocky terrain while also increasing braking traction Prominent outer knobs extend over the edge of the tire to provide additional sidewall protection Provides steadfast traction both front and rear, while it also pairs nicely to a Vigilante on the rear 1239g