| SKU | 86582 |
|---|---|
| Weight | 4.250000 |
| Brand | Universal Vintage Tire |
| Tube Diameter | 18", 19" |
| Product Size | 600/650/700-18/19 |
| GTIN | 00842199106114 |
| Availability Date | 2023-07-10T00:00:00Z |
Frequently Asked Questions
Fitment & Compatibility â–¼
The Hartford 600/650/700-18/19 Tube with TR13 Offset Stem is designed for use with bias ply tires that fall within the 600, 650, or 700 width range and use 18-inch or 19-inch wheel diameters. It is intended for collector vehicle applications where tube-type construction remains appropriate and historically correct.
Before purchasing, verify both the tire size and wheel diameter currently installed on your vehicle. The tube size range provides flexibility across several common antique tire sizes, but the wheel must accommodate a tube with an offset valve stem configuration. Matching the correct stem position is just as important as matching the tube size itself.
The Hartford 600/650/700-18/19 Tube uses a TR13 rubber valve stem positioned in an offset location rather than centered. This means the valve stem exits the tube at a location intended to align with wheels designed for offset stem placement.
Before installation, inspect your existing wheel and tube configuration. Many antique and collector vehicle wheels use offset stem holes due to wheel design or brake component placement. Installing a tube with the wrong stem position can create unnecessary stress on the valve stem, increase installation difficulty, and potentially affect long-term durability. Matching the original stem location helps ensure proper fit and service life.
Yes. The Hartford 600/650/700-18/19 Tube is specifically designed for use in both 18-inch and 19-inch diameter bias ply tire applications that fall within the approved width range. This allows the tube to cover several common antique and pre-war tire sizes.
The important factor is ensuring the tire size falls within the recommended 600 to 700 width range and that the tire is designed for tube use. While the tube accommodates multiple diameters, installers should still confirm the wheel condition, rim strip condition, and valve stem alignment before installation. Proper sizing helps reduce wrinkles inside the tube and promotes reliable operation.
Before purchasing, verify four key details: tire width, wheel diameter, tube-type tire construction, and valve stem location. The Hartford 600/650/700-18/19 Tube is intended for 600 to 700 width bias ply tires mounted on 18-inch or 19-inch wheels with an offset TR13 valve stem requirement.
It is also wise to inspect the condition of the wheel interior, existing rim strips, and valve stem hole. Many tube-related issues originate from wheel damage rather than the tube itself. Taking a few minutes to confirm compatibility before ordering can prevent installation complications and help ensure dependable performance once the vehicle returns to service.
Tire Size Equivalents & Conversions â–¼
The Hartford 600/650/700-18/19 Tube with TR13 Offset Stem is intended for bias ply tires sized within the 600, 650, and 700 width range and mounted on 18-inch or 19-inch diameter wheels. These sizes are commonly found on antique automobiles, pre-war vehicles, and various collector car applications.
Because vintage tire sizing systems differ from modern metric sizing, tube selection should always begin with the tire size printed on the sidewall. Matching the tube to the approved tire width range helps ensure proper expansion within the tire casing and minimizes the possibility of folds or uneven stretching during operation.
Yes. One advantage of the Hartford 600/650/700-18/19 Tube is its compatibility across several tire widths. It is designed to serve applications ranging from 600-width tires through 700-width tires, reducing the need for multiple tube sizes in similar vintage tire installations.
This sizing flexibility is particularly useful for collectors maintaining several vehicles with comparable wheel diameters. Even with a broad fitment range, installers should always follow the recommended tire size guidelines. A tube that operates within its intended expansion range generally provides more consistent performance and durability over time.
Wheel diameter determines how the tube sits within the tire and wheel assembly. The Hartford 600/650/700-18/19 Tube is intended specifically for 18-inch and 19-inch wheel applications, making diameter compatibility a critical fitment requirement.
Attempting to install a tube into an incompatible wheel diameter can create installation challenges and may prevent the tube from expanding properly inside the tire. Matching both tire width and wheel diameter helps the tube maintain its intended shape and supports even distribution of air pressure throughout the assembly during operation.
Performance & Use Case â–¼
The Hartford 600/650/700-18/19 Tube with TR13 Offset Stem is designed for collector and specialty vehicle applications using compatible bias ply tires. When properly installed inside an approved tire and mounted on a sound wheel, it is intended to provide reliable service for normal collector vehicle use.
Real-world performance depends heavily on tire condition, wheel condition, inflation maintenance, and proper installation practices. Because vintage vehicles often spend extended periods in storage, owners should periodically inspect tire pressure and valve stem condition. A correctly fitted tube helps maintain consistent air retention and supports dependable operation during local drives, events, and touring activities.
Inflation pressure is one of the most important factors affecting tube and tire performance. The Hartford 600/650/700-18/19 Tube relies on proper inflation to maintain its shape and operate correctly within the tire casing.
Low pressure can increase sidewall flex and heat buildup, while excessive pressure may affect ride quality and contact patch behavior. Vintage vehicles often have different pressure requirements than modern cars, making it important to follow the tire manufacturer's recommendations. Regular pressure checks are particularly valuable because collector vehicles may sit unused for extended periods between drives.
Construction, Durability & Load Capacity â–¼
The Hartford 600/650/700-18/19 Tube with TR13 Offset Stem is manufactured from premium-grade materials and built specifically to Coker Tire's specifications for collector and specialty vehicle applications. It incorporates a TR13 rubber valve stem positioned in an offset configuration for compatible wheel designs.
Unlike generic replacement tubes, this tube is intended to support vintage tire applications within a specific size range. Proper sizing and stem placement help promote correct installation and reduce unnecessary stress within the assembly. Matching the tube to its intended application is an important factor in achieving dependable long-term performance.
The Hartford 600/650/700-18/19 Tube is designed to provide reliable service life when used within approved applications and maintained properly. Material quality, installation accuracy, and operating conditions all influence durability.
Many tube failures are caused by external factors rather than manufacturing defects. Damaged wheels, missing rim strips, improper installation, or chronic underinflation can shorten service life significantly. Periodic inspections and proper maintenance help reduce these risks. A well-maintained tube operating within its intended size range generally delivers more predictable long-term performance.
Installation & Maintenance â–¼
Before installing the Hartford 600/650/700-18/19 Tube with TR13 Offset Stem, inspect the tire, wheel, rim strip, and valve stem hole for damage. The tube should only be installed inside a compatible 600, 650, or 700 width bias ply tire mounted on an 18-inch or 19-inch wheel. Any sharp edges, corrosion, or debris inside the wheel should be addressed before installation.
A careful inspection can prevent many common tube failures. Rust flakes, burrs, cracked rim strips, and deteriorated wheel surfaces can create abrasion points that damage the tube over time. Taking the time to prepare the wheel properly helps support reliable performance and longer service life.
The TR13 offset valve stem on the Hartford 600/650/700-18/19 Tube should align naturally with the wheel's valve stem opening. Because the stem location is offset rather than centered, proper positioning is important during installation to avoid twisting or stretching the tube.
If the tube must be forced into position to reach the valve stem hole, compatibility should be rechecked before inflation. A valve stem that sits at an angle may experience additional stress during vehicle operation. Proper alignment helps reduce strain at the stem base and promotes more dependable long-term service




