PRO-LINES M2 Compound BOWTIE Treaded Tires for Any Popular Brand (ASSOCIATED, LOSI, HPI,etc.) 2.2 Truck Rim. Soft, sticky, M2 compound for maximum traction on hard to grip surfaces. Fits any 2.2" truck wheel. It's finely detailed design is perfect for medium packed, dusty surface conditions. 1998 ROAR Gas National and NORRCA World Cup Champion. · Redesigned oversize high density foam inserts perfect for soft tire compounds · Available in both Soft M2 and Extremely-Soft M3 Compounds · Fits any 2.2" truck wheel