The Kudos Pro is Kenda`s latest BMX race tire which features a smooth fast-rolling center and micro-knobs for grippy shoulders Single Tread rubber compound designed for speed on today`s demanding BMX tracks 120 tpi, lightweight casing and folding beads allow for snappy acceleration SRC - Standard Rubber Compound, combines the best attributes of low rolling resistance, extreme durability and tread longevity SCT - is the modification of existing Kenda tire construction methods. By adding an additional sheet of Nylon fabric across the sidewall of the tire, from bead up to tread block, it results in the optimization of the tire construction for fluid based tubeless conversion systems Tubeless 20x1.75 406 TBLS - Fold Bk/Blk 100 388 120 SRC/SCT NoUPC/EAN/GTIN: 047853650976