New tread design - Modern and aggressive look, optimized for fast rolling and best in class cornering traction TR - Tubeless Race is the lightest tubeless ready version tire Kenda offers. Utilizing a modified bead shape for better tubeless sealing and performance while offering the lightest sidewall available Tubeless 29x2.4 622 TBLS - Fold Bk/Blk 50 558g 120 TR NoUPC/EAN/GTIN: 047853648324