Carlisle Sport Trail Trailer Tire
Built for hard-working trailers, the Carlisle Sport Trail pairs durable bias-ply construction with a steady, sure-footed tread so your load tracks straight. It is purpose-built for utility, boat, cargo, and camper duty where confident handling, strong sidewalls, and predictable wear matter. Pick from multiple load ranges and popular ST sizes to match your trailer's GVWR and axle setup. If you want a reliable, value-focused trailer tire that is easy to service and maintain, the Sport Trail delivers for everyday towing.
Why Choose the Sport Trail
The Sport Trail focuses on what matters when you tow, sturdy construction, stable tracking, and consistent wear. Its bias-ply carcass supports heavy loads and resists sidewall flex, which helps lane control on single and tandem axles. A simple, even-contact tread and heat-resistant compound promote predictable braking and long service in summer heat. With multiple load ranges and common ST sizes, replacements are straightforward and maintenance stays simple.
Sizes, Load Ranges & Fitment
The Sport Trail comes in popular ST sizes and load ranges for small utility trailers up to mid-size cargo and boat rigs. Common options include 4.80-12 and 5.30-12, plus larger sizes like ST175/80D13, ST205/75D14, and ST225/75D15. Always confirm your trailer placard and the tire sidewall for size, load range, and speed rating. If you want an easy install, pre-mounted tire and wheel assemblies are offered in multiple bolt patterns, just verify hub bore, bolt pattern, and offset before you order.
Bolt Patterns and Wheel Matching
When selecting a Sport Trail tire pre-mounted on a wheel, match the wheel's bolt pattern to your hub. Count the lugs and measure the circle diameter, with common patterns such as 4-on-4, 5-on-4.5, and 6-on-5.5. Confirm center bore, wheel width, and offset against your trailer manufacturer's specs, and be sure the assembly load rating meets or exceeds your GAWR. Proper matching helps prevent vibration, uneven wear, and hardware stress, improving tire and hub life.
Pressure & Speed Ratings
Inflate Sport Trail tires to the cold pressure shown on the sidewall for the listed load range. Many small ST sizes, such as 4.80-12, are limited to 65 mph, and load range determines the required psi, for example some 4.80-12 tires list LR B at 60 psi and LR C at 90 psi. Never exceed the marked load or speed rating, and use metal valve stems where specified. Check pressure before every trip, after large temperature swings, and after storage to control heat, improve stability, and reduce irregular wear.
Cold Inflation Tips
Set trailer tire pressure in the morning before you drive, using a quality gauge. Inflate to the sidewall specification for your load range, and do not lower pressure for ride comfort. Check all positions, including the spare, then re-torque lug nuts per your trailer manual after any wheel service. Inspect for punctures, bulges, or cracking, and after long highway runs let tires cool before rechecking pressure.
Bias vs. Radial: ST225/75D15 vs ST225/75R15
Bias-ply, marked with D, emphasizes sidewall rigidity and value, a smart fit for moderate speeds, mixed surfaces, and shorter trips. Radial, marked with R, typically runs cooler on long highway drives and may deliver longer tread life and a smoother ride. Match the construction to how you tow, and keep size, load range, and speed rating the same across each axle. If you haul long distances at interstate speeds, radial often makes sense, while bias is a dependable choice for rugged use and cost control.
Price, Availability & Assembly Options
Pricing depends on size and load range. Select your Carlisle Sport Trail size to see current price and stock, then choose loose tires or pre-mounted tire and wheel assemblies for a fast install. Assemblies arrive mounted and ready to bolt on, just confirm bolt pattern, center bore, and offset. We ship quickly nationwide, many sizes qualify for expedited options, and our team can help with delivery timing or local pickup.
Warranty & Maintenance
The Sport Trail is backed by a limited manufacturer's warranty, and coverage can vary by size and application. To extend tire life, store out of direct sun, use covers in the off-season, and avoid long-term static loads by supporting the trailer with chocks and jack stands. Inspect tread and sidewalls for cuts, bulges, or weathering, and replace tires at the first sign of structural damage or when they reach the age limit in the warranty guide. Maintain the specified cold psi and torque lug nuts to spec after wheel service to promote even wear and safe towing.
