Pro level high quality road tire that offers excellent rolling resistance, superior wet or dry grip and a very high level of puncture resistance Smooth center section with mild siping on the shoulders for improved cornering grip and bite R3C is KendaÌÎÌÊs fastest rubber compound and used exclusively for high end racing tires - significantly lower rolling resistance and increased wet weather traction KA - K-Armor is a proprietary casing material technology developed by Kenda for superior puncture protection and rolling resistance TLR/TR - Tubeless (Light) Race is the lightest tubeless ready version of tires Kenda offers and also features an improved bead shape for better retention REF - Reflective sidewall striping or hotpatch to aid in low light visibility