Schwalbe Racing Ralph is a fast and versatile MTB tire. The tread offers plenty of grip and excellent rolling characteristics. This tire is ideal for the rear wheel. It has a 29 x 2.25 inch size and an ETRTO size of 57-622. It is a folding tire and is tubeless ready. The tire is black with a brown transparent sidewall. The tire is made of rubber and features the Addix Speed ​​SuperRace design. It weighs 640 grams and the recommended tire pressure is 1.80-3.70 bar. The tire has an EPI of 67 and is suitable for ATB/MTB bikes. Specifications: - Inch size: 29 x 2.25 - ETRTO size: 57-622 - Bicycle type: ATB/MTB - Tire type: folding tire, tubeless ready - Color: black, brown (Transparent Sidewall) - Material: rubber - Version: Addix Speed ​​SuperRace - Weight: 640 grams - Tire pressure: 1.80-3.70 bar (26-54 psi) - EPI: 67 The Racing Ralph was designed with the extreme challenges of today's XC tracks in mind. The profile offers a lot of grip in the center for super traction and excellent acceleration. In addition, the tire has pronounced shoulder knobs for very good lateral grip. The Racing Ralph has great rolling properties and is extremely quiet. Brand: Schwalbe Model: RACING RALPH Bicycle type: Mountain bike Net weight (g): 640 Maximum pressure (Bar): 3.7 EPI: 67 Schwalbe compound: Addix Speed ​​Schwalbe line: Evolution Line Schwalbe profile: HS490 Tire size (Inch): 29x2.25 Tire type: Folding tire Tire diameter ("): 29" Tubeless: Yes Tire width: 57 Tire or tyre: Outer tire (ETRTO) Tire size: 57 - 622 The Racing Ralph is the perfect racer with SuperRace casing for the extreme challenges of today's XC tracks.