The Speedster was designed for rolling speed and minimal drag on hard pack or paved terrain Count on this tire for high performance during BMX racing, dirt jumps, and urban shredding New Bomb Proof models feature Aramid belting, Dual Control Compound for superior grip and 72TPI casing for a durable responsiveness Folding bead versions are tubeless compatible Standard 27.5x1.75 584 Fold Belted Bk/Blk 50 540 72 56a/48a YesUPC/EAN/GTIN: 848712039280