Entry level all around MTB tire with low to mid height staggered center tread and taller, horizontal V shaped shoulder knobs Low rolling resistance with extra bite for the cornersSRC - Standard Rubber Compound, combines the best attributes of low rolling resistance, extreme durability and tread longevityStandard27.5x2.4584WireBk/Blk30SRCNoUPC/EAN/GTIN: 047853650488