evo.com | Park Tool Patch Kit > Snag some Park Tool TB-2 Emergency Tire Boots and give yourself some extra piece of mind on the ride. A strong adhesive ensures the boot stays in place in any bicycle tire that utilizes an inner tube, whether road or mountain. Waterproof Vinyl Membrane with Fiber Weave Reinforcement Dimensions 76.2 x 44.4 mm (3" x 1.75") Not Compatible with Tubeless Tire Systems | Park Tool TB-2 Emergency Tire Boots, 3-Pack 2025 - 3-Pack | Vinyl