Maxxis` most popular training tire- providing excellent traction, durability and plenty of road miles in any condition. The Kevlar� belt and silkworm cap ply combine to provide a tire that Re-Fuses to puncture SC - Single compound casing for a durable, dependable tire MS - MaxxShield , represents the pinnacle of flat protection with 2 layers of puncture resistant belting Standard 700x28 622 Fold Belted Bk/Blk 120 320 60 62a SC/MS NoUPC/EAN/GTIN: 4717784025186