Tire String
Representative Photo, actual item may vary
Representative Photo, actual item may vary
Progressive Suspension GP3-300 High Pressure Air Pump for Motorcycle Suspension
Representative Photo, actual item may vary
What Is Tire String and Why Does It Matter?
A flat tire on the road doesn't always mean a trip to the shop. For tubeless tires, a tire string plug — also called a tire repair string or plug insert — is one of the most practical tools a driver, mechanic, or off-road enthusiast can keep on hand. These woven rubber cords, typically coated with a tacky vulcanizing compound, are threaded into a puncture to seal it from the outside without removing the tire from the rim.
The process is straightforward: after removing the object that caused the puncture, a reaming tool is used to clean and slightly enlarge the hole. The string is then threaded onto an insertion tool, pushed firmly through the puncture, and the tool is withdrawn — leaving the string seated in a tight, compressed knot inside the tire. Any excess material is trimmed flush with the tread. A proper tire string repair is quick, compact, and effective for small tread-area punctures on tubeless tires found on cars, SUVs, trucks, ATVs, UTVs, motorcycles, lawn mowers, and trailers.
Choosing the Right Tire String
Not all tire repair strings are created equal. Key factors to consider include:
- Material: Premium strings are made from high-quality butyl rubber for better elasticity and long-term sealing performance.
- Diameter and length: Standard strings are typically around 4 inches long, while heavy-duty or off-road variants may be longer and thicker to fill larger punctures.
- Adhesive compatibility: Many strings work best when paired with a rubber cement or vulcanizing glue, which activates a chemical bond for a more secure seal.
- Kit vs. refill pack: Complete kits include a reaming tool, insertion tool, strings, and lubricant — ideal for roadside readiness. Refill packs let you restock consumables without replacing the tools.
It's worth noting that tire string plugs are widely considered a temporary emergency fix for tread-area punctures no larger than ¼ inch. For any puncture near the sidewall or shoulder, or any hole exceeding that threshold, professional inspection and repair is the appropriate course of action.
Top Brands in Tire String Repair
Ken-Tool is a household name in professional tire service. Headquartered in Akron, Ohio, Ken-Tool has been a leading manufacturer of tire service tools for over 100 years, and their tire repair string kits reflect the same rugged, professional-grade build quality found across their entire lineup.
Security Tire Chains brings decades of traction product engineering to the tire service category. Known for their innovative chain designs that work with modern ABS and AWD systems, they also offer tire string and traction accessories trusted by professional and commercial users alike.
Pingel is respected in the powersports world for precision-engineered components, and their tire repair string offerings carry that same commitment to quality — making them a go-to choice for motorcycle and ATV riders who need reliable roadside repair solutions.
Slime is one of the most recognized names in flat tire repair, offering a broad range of tire plug strings and repair kits designed for tubeless off-road tires including ATVs, wheelbarrows, lawn mowers, and trailers. Their heavy-duty strings are widely available and trusted by both DIYers and professionals.
Lisle rounds out the top tier with a reputation for practical, well-made automotive hand tools. Their tire string products are built to the same thoughtful standards that mechanics rely on across their entire tool catalog — dependable performance at a sensible value.