The Schwalbe Smart Sam is a versatile bicycle tire that delivers excellent performance. With good grip, long lifespan, and smooth rolling, this tire is suitable for all kinds of terrain, both on- and off-road. The Smart Sam has a modern and robust tread pattern, with a compact center ridge for a smooth ride and angular outer knobs for optimal grip. This tire is suitable for ATB/MTB bikes and has a 27.5 x 2.25 inch size and an ETRTO size of 57-584. The tire is a clincher and has no reflective elements. It weighs 740 grams and the recommended tire pressure is 1.80 - 3.70 bar. The EPI is 67. Product specifications: - Size: ETRTO 57-584 (27.5 x 2.25 Inch) / 650B - Type: clincher - Rubber compound: Addix - Version: Performance - Color: Black - Skin: Lite - Weight: 740 grams (26 oz) - Tire pressure: 1.80 - 3.70 Bar (26 - 54 psi) - Max. load: 110 kg - EPI: 67 - Profile: HS476 - Tubes: 19, 21, 19A, 21A, 21F