Fast rolling gravel tire with tightly packed and ramped rectangular knobs that form a fast rolling centerline with smaller transition knobs and large prominent shoulder lugs for corneringSPDGRP - Addix SpeedGrip compound is Schwalbe`s all around performace upgrade compound well versed on all terrain and conditionsE25 - are rated for use with E-Bikes up to 25kph (15mph)Tubeless700x50622TBLS - FoldBk/Blk5564567SPDGRP/EBIKE25NoUPC/EAN/GTIN: 4026495958042