The Schwalbe Magic Mary is a very robust, durable MTB tire that features an Addix rubber compound, which is extremely strong yet flexible. The tread pattern offers low rolling resistance and excellent cornering grip. The Twin sidewalls are extremely strong, allowing you to ride carefree over rough terrain. Specifications Color: black Material: rubber Weight: 1400 grams Inch size: 26 x 2.35 ETRTO size: 60-559 Compound: Addix Tire pressure: 1.6-3.5 bar