The Schwalbe racing spoke is a high-quality XC folding group for mountain bikes. With its aggressive profile and versatile Addix speedgrip compound, the racing spoke is a powerful weapon for off-road adventures. This group was designed as a complement to the Ralph race and offers excellent performance in the areas of steering behavior, cornering and braking power. With great role properties and extremely quiet operation, the racing radius ensures an optimal driving experience on every site. Product specifications: - Size: Etro 57-622 (29 x 2.25 inches) - Type: folding tape - Rubber compound: Addix Speed - Version: Super Race - Color: transparent sidewalls - Seal: tle (Tennessless Facile) - Weight: 645 grams - Tire pressure: 1.80 - 3.70 bar (26 - 54 psi) - Max. Tax: 120 kg - Ear: 67 - Profile: HS489 - Inner tires: 19, 19a, 19ap, 19 + AP, 19f The Schwalbe stroke radius is suitable for tubeless use and has low rolling resistance for optimum speed. With its reliable grip and durability, this folding tape is ideal for fanatical mountain bikers.