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Roundrule ST Radial ST235/85R16 Load F Trailer Tires — Set of 4
Estimated delivery within 3 business days Estimated delivery by
90-Day ReturnsUnused and unmounted. See return terms
Confirm your fit with a real person888-338-0038 · 24/7 support
Tire Details & Specifications
ST235/85R16. The Roundrule ST Radial is a highway, all-season tire for trailers, with a focus on stable towing.
What's Included: 4 tires. Wheels and installation are not included. Order quantity 1 adds one set of 4 tires.
Key Features
- Consistent tread contact supports stable trailer tracking.
- Load-focused design supports the tire's shape under pressure.
- All-season tread design supports use across changing road conditions.
Tire Specifications
- Brand: Roundrule
- Model: ST Radial
- Tire Size: ST235/85R16
- Package Quantity: 4 tires
- Application: Trailer
- Size Search Reference: 235/85R16 (confirm the full specification above)
- Season: All-Season
- Tire Type: Highway
- Speed Rating: L
- Load Range: F
- Ply Rating: 12 PR
- Construction: Radial
- Manufacturer Part Number: P66013-R
- Tread Depth: 9/32 in.
- Sidewall: Black Side Wall
Before You Order
For trailer use only. Do not install on a passenger car or light truck. Confirm the trailer and wheel requirements before ordering.
Need help? Contact Dominant Tires for assistance. Inspect tire markings and condition before mounting.
SKU:
Fitment & Installation
Confirm tire size, load index, speed rating, wheel compatibility and your vehicle’s requirements before ordering. A size match alone is not a fitment guarantee. Check both axles for staggered sizes. Have a qualified tire professional inspect and install your tires.
Returns & Warranty
Our 90-day return policy covers eligible unused, unmounted tires. Manufacturer warranties are separate and depend on the tire, purchase channel and manufacturer terms; coverage is not automatic. Read warranty information
About the brand
Roundrule offers a varied replacement-tire range that includes passenger, SUV, light-truck, commercial and specialty tires. Its selection also includes ST trailer models such as the ST Hikee and ST Radial. Because the range spans very different applications, each model's intended vehicle type and load rating matter when choosing.
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