Specifically tuned for rear wheel use, this tyre brings you the speed and control you need to take on the most technical XC (cross-country) trails and come out on top. Its tubeless compatibility ensures excellent cornering grip and puncture protection and the low rolling resistance ensure you carry your speed for longer. Additional Features: Numerous grip edges in the tread centre for super traction and excellent acceleration Distinct shoulder studs for excellent lateral grip Good rolling properties and extremely quiet Recommended Pressures: 26x2.25”: 1.8-3.7 Bar (26-54 psi); 27.5x2.25”: 1.8-3.7 Bar (26-54 psi); 29x2.1”: 2-4 Bar (30-55 psi); 29x2.25”: 1.8-3.7 Bar (26-54 psi); 29x2.35”: 1.6-3.5 Bar (23-50 psi) Weights: 26x2.25”: 610g; 27.5x2.25”: 640g; 29x2.1”: 675g; 29x2.25”: 670g; 29x2.35”: 750g Technologies: ADDIX Speed ADDIX Speed is the compound for XC race specialists, it catapults our XC tires into a new performance dimension. It's the answer for those who’d like to go even faster. There’s only one thing that ADDIX Speed really loves and that’s speed. So the rolling resistance has been chopped yet again. Super Ground Combines lightweight and stability. Feels comfortable in any terrain. Balanced ratio of puncture protection and smooth-rolling. For flowing trails, long rides and any terrain. Tubeless Technology For all ambitious sports cyclists, Tubeless is the right choice. Only Tubeless achieves the best values in terms of more speed, grip, puncture protection and comfort. E-25 Tyres with the recommendation "E-25" are the perfect choice for all pedelecs with pedal assistance up to 25 kph. The most important criterion for this recommendation: security.