The Castle Rock ST is a highly durable Radial Tire, constructed of nylon chords and premium rubber. The Castle Rock is sturdy and resistant against the most unforgiving road conditions. The Castle Rock ST features an aggressive, modern sidewall and a traditional ST tread. The strength and appearance of the Castle Rock ST make it an excellent option for any trailer application.

Performance, Quality, and Reliability are what embodies the Westlake ST tire. This prestige stems from its high quality rubber and over built construction which leads to a peace of mind when towing your RV or trailer. This assurance is shared by consumers and OEM manufacturers alike. This common perspective is why the Westlake ST tire is one of the most widely used trailer tires in the RV Industry. The Westlake ST tire is a trailer specific tire and was purposely created to withstand the demanding nature of towing. It’s unique tread design and Radial fabrication helps maintain the maximum traction between tire and road, giving you a safe transport.