JConcepts unloads a new crawling tire option to market with Rock Block. An all-condition performer, the Adventure Team from Groveland, Florida has incorporated many new details in these 4.19” beauties. The asymmetrical design allows the driver to set up the tire to their individual liking but is conveniently marked with L&R denotation. A center structure sits as a multi-faceted combination of 3 tread lot elements. The solid tread block falls away and draws a little more size toward the bottom and includes a small break-away notch and top tread recess.
On the other half of the center line, the split block offers more flexibility and contortion for difficult and uneven terrain. It balances nicely, sitting next to its solid counterpart and together shares the burden of competition climbs or day-to-day trail running business. On the outside, the lugs zig and zag to compliment the center support and include top recess to add additional edges for dry course grip. In between the outer bars, low height wear bars are applied to tie-in sidewall details. Clipped edges and staggered formations help offset low and high grip sections of land.
Momentum based sidewall attributes have a progression pattern consistent with forward direction. The main ingredient in the sidewall, the low height wear bar ribs connect everything together to help function as a single until during tight climbs and narrow spaces. Recessed cuts in the blocks, extrusions in timely areas help detail out one of the most sophisticated crawling tires in the JConcepts line-up. Recessed JConcepts logo with inner hatching takes position in multiple areas while the tire name, part number 4138 L/R is marked for easy identification.
The Rock Block tire includes “open cell” foam inserts to support the ride and packaged and sealed with authentic JConcepts packaging with holographic badge for identification. The JConcepts sticky green compound is a favorite among the RC industry giving just the correct amount of flex and dampen release to support weight and hold traction in difficult situations. The tire is designed for popular 1.9” bead mounting diameter plastic, aluminum, and steel wheels on the market.
The JConcepts team builds, tests, and travels the world to support the brand and gathers valuable driver feedback in search of the best appearing and performance items on the market. The product is manufactured with high precision and always backed by JConcepts customer service, supported, and developed by professionals with style, and authenticity. Look for reputable dealers and distributors and demand authentic and licensed products – choose JConcepts.
Features:
- Bold Rock Block asymmetrical design
- Class 1 readiness, 4.19” O.D.
- Left (L) and Right (R) tire marked on the sidewall
- Fits industry standard 1.9” diameter wheels
- Multi-faceted 3 tread lot center structure
- Lug recessing, zig, and zag tread combinations
- Retro JConcepts sidewall logo with inner hatch pattern
- Hefty sidewall lugging with connected wear bar detail for continuity
- Continuous thickness carcass for clean profile
- Includes open cell insert
- Available in JConcepts sticky green compound
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