U.S. Royal | 2 1/2 Inch Whitewall | 670-15
U.S. Royal | 2 1/2 Inch Whitewall | 670-15 U.S. Royal | 2 1/2 Inch Whitewall | 670-15 U.S. Royal | 2 1/2 Inch Whitewall | 670-15
SPECIFICATIONS
Tire Series US Royal Bias Ply
Brand US Royal
SKU 57630
Product Size 670-15
Tire Construction Bias Ply
Sidewall Style Wide Whitewall
Sidewall Style Width (in) 2.500
Bias Ply Width 6.70
Rim Diameter (in/mm) 15 inch
Overall Diameter (in) 27.5
Section Width (in) 7
Rim Width (in) 4.50 - 5.00
Max Load Capacity 1450@32 psi
Construction Ply 4 PLY POLY
Tube Type or Tubeless Tubeless

US Royal 2.50 Inch Whitewall | 670-15

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U.S. Royal | 2.50 Inch Whitewall | 670-15

U.S. Royal tires were original equipment of many of the classics through the sixties. Coker Tire Company proudly offers classic US Royal tires for restored and surviving vehicles from the fifties and sixties. U.S. Royal tires with classic pie crust upper sidewalls feature a beautiful genuine wide whitewall and authentic markings and tread patterns.


6.70-15 Tire Conversion Chart

Radial Equivalent First Choice: 205/75R15

Radial Equivalent Optional Choice: 670R15

Genuine Wide Whitewall Tire

This product features a genuine wide whitewall sidewall style. This means that the bright white rubber is added directly to the tire sidewall during initial construction of the carcass, resulting in a truly integrated, high-quality product after vulcanization. Wide whitewall tires were a very popular choice from the 1930's through the end of the 1950's, and were eventually phased out of mainstream production by 1962. Originally, wide whitewall tires featured a bias ply construction, but now Coker Tire offers them in original style bias ply and modern radial construction.

Bias Ply Construction

Bias ply tire construction is a method that was used from the 1900's through the 1970's on passenger cars and light trucks. Bias ply tires feature ply cords that run at a 45 degree angle to the bead, and overlap in a crisscross pattern, depending on how many ply layers are used. This creates a strong tire, but bias ply tires have a tendency to follow breaks or ruts in the pavement. Bias ply tires are the most authentic choice for classic car restorations and traditional hot rod builds. Coker Tire offers a huge variety of bias ply tires for many applications. 

Please Note

  • Tire mounted on wheel for demonstration purposes only. Wheel and other accessories are not included. Please note that dimensions listed (tread width, section width and overall diameter) are non-scientific and based on an inflated tire, mounted to a wheel. Dimensions may vary due to rim width and inflation pressure. Please note Chemical Guys Tire and Rubber Cleaner and Adams Polish Tire shine has been linked to Whitewall browning and should not be used. We recommend using our line of tire care products.

Product Questions & Answers

 
(69) People thought this was helpful
Question:
The original U.S. Royal was a Bias tire and called, U.S. Royal "Air Ride" ( such as the Goodrich was "Silvertown" ) are these called "air ride"
By Darrell on May 15, 2018
Answer:

None of our U.S Royal options are the "Air Ride" model. This particular size shows as the "Safety 800" model on the sidewall.

Coker Tire Support on May 15, 2018
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