The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise corneringDH - Sealant-compatible rubber is used with the familiar Maxxis dual-ply 60 TPI downhill construction and butyl insert for support and rim protection to offer the benefits of increased grip and reliability3CG - 3C Maxx Grip offers the ultimate in grip and slow rebound properties for unparalleled traction in downhill applicationsStandard24x2.4507WireBk/Blk6560x23GC/DHNo