Special tread pattern provides perfect hook-up and performance for any terrain, from cross-country and motocross, to short course racing. Unique dual rotation tread design allows for maximum performance in either soft to medium terrain or medium to hard terrain. MXR sizes available in STICKY Race Compound! Meets the demands of the MX track and XC terrain Dual rotation tread design; soft to medium terrain, medium to hard terrain. New lightweight 4PR casing. Great paired with the Klaw or Knarly rear. MXF size available in STICKY race compound!