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The alloy construction of the rim provides strength and stiffness for dealing with a variety of terrains and trails, giving confidence-instilling performance roll after roll. Tubeless ready, it can be fitted with lower inflation tires for added control, grip and lower rolling resistance, while being equipped with a Bead Bite anti-burp hook system, it severely reduces air loss, no matter how hard you ride.
The rim is reinforced with a "waved" OohBah inner wall design, is shot-peen finished to prevent stress and impact wear and features a corrugated center for enhanced stiffness and suppleness, making the SPIKE Race 33 MTB Rim ready for anything your ride throws at it.
Bead Bite: At an incredible range of pressures, Bead Bite is the solution to keeping your tires burp free and fixed in place. Bead Bite rim technology enhances tubeless use with tires of all types and with a greater range of air pressures. Bead Bite rims have 6 rows of tiny ridges that run along the vertical and horizontal faces of the bead seats. These tiny teeth create air seals between the rim and tire as the bead conforms into them under air pressure. They dramatically increase frictional forces on the tire bead, reducing the beads' ability to move vertically or horizontally (thus improving tire stability and reducing burps). The bead literally becomes trapped between the vertical and horizontal ridges, even at very low air pressures. Even in tubed applications, Bead Bite rims tend to allow much lower air pressures with reduced risk of pinch flats.
Oohbah: The unique OohBah profile allows Spank to manufacture thinner walled, wider profiled, lighter rims without sacrificing strength or rigidity. Wider rims mean stiffer wheels and more tire spread, leading to greater traction and improved comfort, and tire performance. The "wave" shape of the OohBah inner tube adds strength and support to the vertical rim flange walls and prevent buckling. Normal straight or curved tube wells must be much thicker, and by default heavier, to offer the same support.
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