RC4WD KK2 Demolisher 3.8in 40 Series Tires (Z-T0020)

Scale up your monster truck with the RC4WD (KK2) Demolisher Monster Truck 40 Series 3.8in Tires. Described by the manufacturer as the largest RC tire on earth, these large-scale, chevron-style tyres deliver an imposing look and serious presence. Supplied as a pair with memory foam inserts, the Demolishers are built in RC4WD’s advanced X5 Medium/Hard compound for durability.

With an enormous 244mm outer diameter and 150.3mm width, each tyre weighs approximately 1003g, underscoring their heavy-duty construction. A 3.8in inner diameter suits the 40 Series format, while the bold chevron tread pattern gives that classic monster truck aesthetic.

Key Specifications

• Compound: Advanced X5 Medium/Hard
• Outer Diameter: 9.6in / 244mm
• Width: 5.92in / 150.3mm
• Inner Diameter: 3.8in / 96.52mm
• Each Tyre Weight: 35.38oz / 1003g

What’s Included

• 2x (KK2) Demolisher Monster Truck 40 Series 3.8in Tires
• 2x Memory Foams

Notes and Suggested Compatibility

• Suggested compatibility: Demolisher Universal Wheels for Burnout 1/4 Scale Axle (Z-W0197).
• Two sets are required for a complete truck.
• International customers: due to the size, please choose EMS/DHL as the shipping method.
• Shown installed on a Duratrax Firehammer 1/4 Scale Monster Truck (for reference).
• Due to variations in tyre and wheel design across brands, RC4WD states that RC4WD tyres and wheels are designed to work together. Other combinations may work but are not guaranteed.

Part number Z-T0020 from RC4WD offers a standout option for large-scale monster truck builds seeking oversized, chevron-tread 3.8in tyres with memory foam support.