Maxxis Rekon Race Tire - 27.5 x 2.25 Clincher Wire Black EXOMaxxis Rekon Race Tire 27. 5 x 2. 25 Clincher Wire Black EXO. This semi slick tire borrows its tread design from the trail version of the Rekon but with smaller and shorter knobs. Use it as a rear tire paired with a more aggressive front tread or front and rear for short track racing. Semi slick XC race tire TECH SPECS Defined Color Black TPI 60 Tire Type Clincher Tire Intended Use Mountain Color Black Tire Diameter 27. 5" Tire Bead Wire Labeled Size