30/20/10PcsBicycle Tire Repair Patch Glue-Free Adhesive Quick Repairing Tyre Protection Patch for Mountain Road Bike Inner Tyre Repair Pads

Specification: Material: Rubber Size: Patch diameter 2.9cm, thickness 0.5mm Color: Black Quantity: 30/20/10pcs

Steps for usage: 1. Grind the edge of the hole into a rough surface with a file and the diameter of the rough surface not be smaller than the patch. 2. Clean the polished surface. 3. Align the center of the tire patch with the hole, buckle and press it firmly. 4. After standing still for 5 minutes, put it in the outer tire and inflate the tire to complete the repair.