Even tubeless tyres can get punctures and for bigger holes, that sealant can't fix, you'll need a more robust tool to get the repair done. The Tubeless Puncture Repair kit is ideal for mountain and road bike tyre repairs. Key Features • Unscrew tube to reveal insertion tool and spare tyre plugs • Includes 15 tyre plugs • 6061 aluminium construction • Instructions for use shown on packaging