System 3 ST3 15x7 40mm SuperGrip XT kit

Rugged Performance Meets Ultimate Traction. This pre-mounted kit combines the System 3 ST3 (15x7, 4x137/4x156, +40mm, Matte Bronze/Black) with the high-performance SuperGrip XT (K9) tires (available in 30x10-15, 32x10-15, and 35x10-15). Dominate the toughest terrain with a setup engineered for durability, style, and immediate trail readiness.

✅ Wheel Features – System 3 ST3 (Matte Bronze/Black)

• Heavy-Duty Construction: Engineered for superior structural integrity under extreme riding conditions.
• Optimized Offset: The 5+2 (+40mm) offset provides the perfect stance for improved stability and handling.
• Distinctive Styling: The aggressive Matte Bronze/Black finish delivers a premium, custom look that stands out on any build.
• Versatile Fitment: Available in 4x137 and 4x156 bolt patterns to suit a wide range of popular UTV platforms.

✅ Tire Features – SuperGrip XT (K9)

• Rugged 8 Ply Rating: Built to resist punctures and withstand heavy abuse on rocks, trail debris, and hard-pack.
• Compound Options: Available in Standard compound for maximum tread life and utility work, or Intermediate compound for superior stickiness in rock crawling.
• Versatile Sizing: Choose from 30", 32", or 35" diameters to dial in your ground clearance and traction requirements.
• Proven Design: A classic, high-performance tread pattern formerly known as the K9, perfected for technical terrain.

✅ The PlanetSXS Advantage

• Ready-to-Bolt: Professionally mounted and aired up, so you can spend less time in the garage and more time on the trail.
• Complete Install Kit: Includes 4 wheels, 4 tires, and vehicle-specific lug nuts to ensure a perfect fit right out of the box.