Foams: Not included. Because of its unique sized and configuration, Ottsix foams are highly recommended for this tire.
COMPOUND AND FOAM RECOMMENDATIONS FOR THE KLR/X4:
BECAUSE OF THEIR UNIQUE SIZE AND STANCE, WE HAVE VERY SPECIFIC COMPOUND / FOAM / RTR WEIGHT RECOMMENDATIONS FOR THE KLR/X4:
RED COMPETITION COMPOUND (EXPECT RAPID WEAR): RECOMMENDED FOR TRUCKS WEIGHING UP TO 8 LBS.