Kenda - Nevegal ProK1010The Nevegal is the standard by which every mountain bike tire is compared and many have tried to copy. One of the Key features of this tire is the unmatched sense of control and predictability. This tire inspires confidence when riding and allows the rider to push themselves to new levels.NEW Sealent Casing Technology (SCT) in some tires is the modification of existing Kenda tire casing technologies optimizing them for use with fluid based tubeless Conversion systems.Downhill wire bead version has 2-ply construction with Stick-E rubber for better grip, and the Cross Country folding bead version is single-ply with Stick-E or DTC rubber for reduced weightFreeride wire bead version is single-ply with Stick-E rubber and Butyl CAP insert for extra strength and durabilityFront and Rear applicationTechnical Specs:Olympic Part #SizeTPIETRTOCompoundPSIBeadWeight (g)52472026x1.9512050-559LITE-DTC30-80Folding550+-2552447326x2.106054-559DTC40-65WIRE701+-3552472126x2.1012054-559DTC65Folding610+-3052472226X2.3512058-559DTC-SCT30-50FOLDING827+-41524740650Bx2.1012052-584DTC40-65Folding645+-30524741650Bx2.3512058-584DTC30-50Folding740+-3552457329X2.206055-622DTC30-50WIRE886+-4452460029x2.206055-622DTC30-50Folding945+-47