LFC Technology: Lateral Flex Control Technology, revolutionary carcass design, lightweight and heat-resistant structure, use of highest quality racing polyester in the carcass, CCT Technology: “Chipping and Chunking Tread” prevents chipping and chunking of tread blocks on stony ground, CCRC Technology: “Chipping & Chunking Resistant Compound”, significantly minimizes rubber loss due to abrasion, reduces block tearing in extremely hard terrain. NHS: Not for Highway use! Only suitable for racing. Exception: Sizes 80/100-21 + 120/90-18 are ECE + DOT approved Character: Hard Terrain + Stone Tire (hard) Type Article Design diagonal Width 70 Installation front Area of use Cross, Racetrack Speed index M Size 70/100-19 Main color black Profile MX3F hard MX3R hard Cross-section 100 Tube identification TT = tube type Load index 42 Inch 19"