Description
Product Overview
The Carlstar AT489 XD 25×8 bias ATV race tire is engineered for serious off‑road performance. Featuring a 25 mm section width, 520‑lb load capacity, and a 24/32‑inch tread depth, this tire balances strength and flexibility. Its V‑shaped lug design clears mud and debris while maintaining a smooth ride, and the 3/4‑inch tread depth enhances grip on loose or wet terrain. Constructed with an updated 8‑ply rated carcass and bias construction, the tire offers a load range D rating, supporting up to 20 psi maximum pressure. The universal fit makes it suitable for a wide range of UTVs, and the bias build ensures durability in demanding applications.
Usage
Designed for UTV enthusiasts, this tire excels in trail riding, racing, and rugged work environments. Whether navigating muddy fields, sandy dunes, or wet forest paths, the Carlstar tire provides consistent traction and stability. Its robust construction handles the high stresses of competitive ATV racing while also delivering comfort for everyday utility tasks. Ideal for riders who demand reliable performance in both recreational and professional settings.

Why Choose Us
Carlstar brings over a century of tire expertise, now continuing the legacy of Carlisle with modern innovations. The updated 8‑ply carcass is specifically engineered for today’s high‑performance UTVs, offering superior durability compared to standard bias tires. Each tire undergoes rigorous quality testing to meet ISO metric standards (635/80‑12) and is backed by The Carlstar Group’s reputation for reliability. With a competitive load capacity of 520 lb and a bias construction that resists punctures, this tire stands out for its longevity and consistent performance.
Key Features
- Updated 8‑ply rated carcass for enhanced durability on modern UTVs
- V‑shaped lug design provides excellent mud clearance and smooth ride quality
- 3/4 inch (24/32) tread depth delivers superior traction in loose and wet conditions
- Bias construction with Load Range D supports up to 520 lb load capacity
- Universal fit compatible with a wide range of UTV models, ISO metric size 635/80‑12
FAQ
What size UTVs is this tire compatible with?
The Carlstar AT489 XD is a universal fit tire sized 25×8 (635/80‑12), suitable for most 12‑inch UTV wheels used in trail riding and racing.
Can this tire be used in wet or muddy conditions?
Yes, the V‑shaped lug pattern and 3/4 inch tread depth are specifically designed to clear mud and maintain grip on wet surfaces, providing reliable traction.
What is the recommended tire pressure?
The maximum pressure is 20 psi, but optimal pressure varies with load and terrain; typically 12‑16 psi offers a balanced ride for most off‑road conditions.
How does bias construction benefit off‑road use?
Bias construction offers a flexible sidewall that absorbs impacts and resists punctures, making it ideal for rugged terrain where durability is essential.
Is the tire covered by a warranty?
Yes, Carlstar provides a limited warranty against manufacturing defects, reflecting confidence in the tire’s quality and longevity.





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