The front wheel specialist. The completely new, extra aggressive XC profile paired with the versatile Addix Speedgrip compound makes Racing Ray an XC weapon and an ingenious companion to Racing Ralph. Profile design: The shifted center blocks and stable houlder blocks are striking. In between a sophisticated open area. This enables precise steering, reliable cornering far into the limit, sporty handling and direct feedback, together with high braking performance under all conditions. Tubeless Easy Version: With ADDIX Speedgrip for speed, grip and durability.Size: ETRTO 57-622 (29 x 2.25 Inch)Compound: ADDIX SpeedGripVersion: SnakeSkin, TLEWeight (Approx.): 625 g (22 oz)Pressure: 1.80 - 3.70 Bar (26 - 54 psi)Maximum load: 120 kg