Maxxis Rekon Plus Tire - 27.5 x 2.8 Tubeless Folding Black 3C Maxx Terra EXOMaxxis Rekon Plus Tire 27. 5 x 2. 8 Tubeless Folding Black 3C Maxx Terra EXO. The Rekon is an aggressive trail tire for intermediate and technical terrain. Wide knobs down the middle provide control under braking and L shaped side knobs assure support when carving loose turns. With confidence like this you can race more and scout less. Ramped center knobs are fast rolling and provide secure braking; aggressive side lugs deliver traction in the corners