Vector R XPLR is designed specifically for Zippâs revolutionary 303 XPLR wheel Advanced construction and a unique combination of a supple 120 TPI casing, and lightweight R:Shield + M:Wall protection layers Smooth center tread flowing into advanced siping and aerodynamic shoulder grooves tailor made to accentuate the Zipp 303 XLPRTubeless700x40622TBLS - FoldBeltedBk/Blk440120NoUPC/EAN/GTIN: 810432033770