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🚀 JConcepts Rock Block 1.9" - Tires Crawler Asymmetric High Performance
With Rock BlockJConcepts sets a new benchmark for crawlers Class 1. Designed by Adventure Team in Florida, these 4.19” asymmetrical design (L/R) and a rubber compound with a Green Compound tread compound for superb grip on all surfaces: rock, sand, wet or dry earth. Their unique tread pattern, with multifaceted center blocks and massive side studs, ensures grip, precision and longevity.
⚙️ Technical specifications
- Outside diameter : 4.19" (Class 1)
- Width : 1.53" (≈ 39 mm)
- Mounting: rims crawler standard & beadlock 1.9" rims
- Asymmetrical design left/right (L & R marked on side)
- Multifaceted center blocks (3 different sections)
- Zigzag side studs and integrated wear bars
- Constant carcass thickness for stability
- Molded markings with JConcepts logo and references
- Composed of : Green Compound JConcepts (ultra soft)
- Open foam inserts included
🧩 Contents
- 2 JConcepts Rock Block 1.9" tires (Green Compound)
- 2 open cell foam inserts
❗ What to expect
- Rims crawler 1.9" (not included)
- Special RC tire glue (for non-beadlock mounting)
🎯 Who's it for?
- Drivers crawler Class 1 looking for versatility and maximum grip
- Competitors looking to optimize their performance on mixed terrain
- Scale builders demanding realism and efficiency
🔄 Compatibility
- All rims 1.9" beadlock or bonded rims
- standard Class 1 Crawler (≤ 4.19”)
