Thunder Burt is Schwalbe`s fastest rolling MTB tire featuring smaller, more tightly packed square knobs in the center with larger well spaced lugs on the cornerLightweight and fast rolling tire with impressive cornering tractionASPD - Addix Speed compound features improved rolling resistance while also increasing durability and and overall gripSRACE - Super Race, three carcass layers on the sidewalls and two carcass layers in the middle under the tread, reinforced with a thin Raceguard puncture protectorE25 - are rated for use with E-Bikes up to 25kph (15mph)Tubeless29x2.35622TBLS - FoldBeltedBk/Tan50730g67EBIKE25/ASPD/SRACE/TRNoUPC/EAN/GTIN: 4026495891462