Rock Block – 1.9″ (4.19″ OD) – Fits 1.9” crawler wheels

Description

The JConcepts Rock Block 1.9” tires are engineered for maximum performance in all crawling conditions, delivering excellent traction for both technical crawling and trail driving. The asymmetrical design, with left and right tire orientation, allows drivers to fine-tune traction based on terrain. With a 4.19” diameter, they are perfectly suited for Class 1 crawler setups where precision and control are key.

Key Features

• Asymmetrical design (left and right specific tires)
• Optimized for Class 1 crawling (4.19” OD)
• Multi-element center tread structure for maximum grip
• Combination of solid and split tread blocks
• Zig-zag outer tread for added traction edges
• Stepped and recessed lugs for flexibility
• Sidewall lugs connected with wear bar system
• Ideal for technical crawling and trail use
• Super Soft Green compound for maximum traction
• Fits all standard 1.9” crawler wheels
• Includes open-cell foam inserts

Technical Specifications

• Tire size: 1.9”
• Diameter: 106 mm / 4.19”
• Compound: Super Soft (Green)
• Type: Crawler (Class 1)
• Fitment: 1.9” crawler wheels
• Orientation: Left (L) / Right (R)
• Quantity: 2 pcs per pack

What’s Included

• 2 × Rock Block tires (L/R)
• 2 × open-cell inserts

What You’ll Need

• 1.9” crawler wheels (standard or beadlock)
• Tire glue (if required)