Maxxis` latest XC tire features an offset row of angled center lugs with aggressive staggered shoulder tread and plenty of spacing to quickly shed mud and debris. Narrow low-volume casing is made for rainy race days. MSPD - MaxxSpeed is the latest version of Maxxis race compound that utilizes a silica filler to improve speed wet traction as well as further reducing rolling resistance by 25%. EXO - sidewall protection which helps prevent puncture from sidewall abrasions. TR - Tubeless compatible casing sealant required