RUNIX Premium Knobby Sport ATV Tires, 21x7-10 Front & 20x10-9 Rear, Set of 4, 6PR Tubeless All-Terrain Sport Tires for ATV Off-Road Racing
Buy Now, Pay Later
- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Recently Viewed
At a glance
- Condition
- New
- Model
- S3111-S3112-21X7.00-10-20X10.00-9
- Size
- 21X7.00-10 & 20X10.00-9
- Rim Size
- 10 in
- Section Width
- 7 in
- Speed Rating
- J
- Load Capacity
- 235 lb
- In the box
- Tire
Features 6
- COMPLETE SET OF 4 ATV TIRES Includes 2 front tires sized 21x7-10 and 2 rear tires sized 20x10-9. Front Size: 21X7-10, Rear Size: 20X10-9 | Rim Diameter: Front 10", Rear: 9" | Rim Width: Front 5.5", Rear 8" | Ply Rated: 6PR | Tread Depth: Front 14mm, Rear: 15mm
- Reinforced 6-Ply Construction for Superior Durability Built with a robust 6-ply rating, the RoamX delivers outstanding puncture resistance, enhanced load support, and superior durability across rugged terrains, giving riders the confidence to tackle aggressive trails, sharp rocks, and heavy-duty off-road challenges.
- Racing-Optimized Tread Design for Precision and Stability Features a rounded shoulder profile that improves cornering agility, and a tightly spaced central tread pattern that enhances straight-line stability at high speeds. The stepped tread blocks provide consistent traction on loose surfaces, supporting fast acceleration and confident handling during aggressive racing conditions.
- Sharper Agility and Control Engineered with a rounded shoulder design to improve cornering flexibility, the RoamX enhances steering response and smooth handling through turns. Extended tread blocks wrapping onto the sidewall provide added control during aggressive lean angles, while reinforced lateral blocks increase side traction for greater stability on technical trails.
- All-Terrain Racing Performance Designed for high-speed control across a variety of off-road surfaces, the RoamX combines a versatile tread pattern and reinforced construction to deliver consistent traction, sharp cornering, and stable handling whether on dirt, sand, mud, or loose gravel.
- Backed by Decades of Manufacturing Expertise RUNIX owns and operates its own large-scale factory with over 10 years of tire production experience, ensuring strict quality control and dependable performance. Our professional support team is always ready to assist.
Description
To deliver durable, high-performance tires that keep you moving—on and on. At RUNIX, tires are our passion. With over 10 years of manufacturing experience and our own factory, we build high-performance tires for ATVs, go-karts, golf carts, and lawn mowers. Each tire is engineered for durability, grip, and reliability—on trails, tracks, or tough jobs. Our dedicated team is here to provide fast, knowledgeable support whenever you need it. Backed by expert care, RUNIX is tough, tested, and ready for action RUNIX’s in-house factory and advanced equipment ensure high-volume, high-quality tire production—every step under our control. The continuous center rib increases contact with the ground, promoting straight-line driving stability and precise high-speed control. It helps minimize steering correction on long runs and delivers a smoother ride over uneven terrain. Aggressively angled shoulder blocks enhance side traction during cornering and off-camber riding. Combined with a rounded tread profile, this design sharpens steering response and improves maneuverability on tight trails and technical terrain. The tread pattern features numerous biting edges that grip effectively across a variety of surfaces, including dirt, gravel, and sand. These edges also improve braking control and boost climbing performance, especially on loose or uneven ground.
Specs 21
| Brand | RUNIX |
|---|---|
| Size | 21X7.00-10 & 20X10.00-9 |
| Rim Size | 10 inches |
| Section Width | 7 inches |
| Load Index | 59 |
| Speed Rating | J |
| Load Capacity | 235 pounds |
| Tread Depth | 0.55 inches |
| Maximum Pressure | 7 psi |
| Rim Width | 5.5 inches |
| Automotive Fit Type | Universal Fit |
| Construction Type | Bias |
| Seasons | Year Round |
| Ply | 6-Ply |
| Tire Diameter | 10 inches |
| Item Diameter | 21 inches |
| Brand Name | RUNIX |
| Number of Packs | 4 |
| Unit Count | 4 Count |
| Manufacturer | RUNIX |
| Manufacturer Part Number | S3111-S3112-21X7.00-10-20X10.00-9 |
No specs match.
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
