Tire Overview:
The JConcepts Rock Bumps 1.0″ Micro Crawler Tires are precision-engineered for 1.0” mini competition crawlers, offering unmatched grip and conformity. Designed with inspiration from the popular Goose Bumps tires, the Rock Bumps are built to tackle technical crawling courses with maximum traction and control. Molded in JConcepts’ exclusive sticky green compound and featuring a carefully crafted pin-style tread, these tires are optimized for rock crawling performance on rough, uneven terrain.
About the Tire
Performance-Driven Design for Maximum Traction
The Rock Bumps tires are purpose-built for superior traction, flex, and terrain adaptability. Their 63mm large overall diameter boosts ground clearance, while the narrow contact patch intensifies pressure on each pin for maximum grip. Horizontal and vertical connector bars provide added structure and stability, enhancing the tire’s ability to conform to rugged terrain. With sidewall detailing that adds both form and function, these tires excel in both looks and performance. Designed, tested, and supported by JConcepts, the Rock Bumps are a professional-grade upgrade for serious micro crawling enthusiasts.
Features:
- Original Rock Bumps pin/bar tread design
- Compatible with industry standard 1.0” wheels
- Large 63mm overall diameter for increased clearance
- Narrow contact patch for increased pin pressure
- Horizontal and vertical connector bars for added traction
- Angular edge traction bars and open sidewall shield
- Contoured narrow carcass for maximum flex
- Detailed sidewall with embossed logos and design data
- Molded in sticky green compound for top-tier grip
- Includes React open cell inserts
Includes:
- (2) Rock Bumps 1.0″ Micro Crawler Tires
- (2) React Open Cell Inserts
Specifications:
| Outer Diameter | 2.48in (63mm) |
|---|---|
| Width | – |
| Inner Diameter | 1.0in (25.4mm) |
| Weight | – |
This product was added to our catalog on May 27, 2025
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Atopper Verified Owner Friday, Jun 27 2025 (3 months ago) JConcepts Rock Bumps 1.0″ Micro Crawler Tires (63mm OD) (2) (Green) These are the ones guys. First drive today after it rained. Rocks were barely dry. They walked every single line & even made a new one. This is coming from Tusks & Ruptures. View all reviews
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