The Muc-Off Ultimate Tubeless Kit contains everything needed to get a tubeless-ready wheelset set up and ready to roll. Each Kit contains a Muc-Off Tubeless Rim Tape, Seal Patches, 2 CNC-machined black tubeless Valves and 2 pouches of No Puncture Hassle Tubeless Sealant. There are five different kits on offer for all the different riding applications, this XC/Cross Country specific kit comes with 44mm tubeless valves and 25mm x 10m Rim Tape, suitable for internal rim widths 23mm-25mm.