Maxxis Reaver Tire - 700 x 40 Tubeless Folding Tan Dual EXOMaxxis Reaver Tire 700 x 40 Tubeless Folding Tan Dual EXO. The Reaver tire is faster lighter and even more durable than the venerable Rambler. A low profile tread design uses diamond knurling to reduce rolling resistance and enhance grip in dusty or loose conditions. Paddle knobs arranged in sets of three provide extra bite under hard braking. The side knobs are spaced closely together and are staggered for consistent cornering performance. A sipe