Worminator 1/10 Tube Crawler Prebuild ARTR. The new Worminator kit includes a completely new chassis design included with the new Worminator axles. These are the world's most advanced worm gear axle with a high clearance center diff. The worm gear axles offer excellent breaking and great ground clearance. This kit also features the new 1:1 R2 transmission, designed just for these new axles. Add this together with the new Overdrive weighted beadlock wheels (with 3 offset) and Spooky Krawler tires and you have this excellent new ARTR kit. Tube welded Worminator chassis. Worminator CNC machined axle. Gear Ratio: 40:1. R2 1:1 gear ratio billet transmission. Spooky Krawler 2.2 Tires (131mm/5.15inch tall) Spark shocks with titanium shaft. Outdrive 2.2 Comp weight beadlock wheels (3 offset included). Meets all USRCCA required specs. Full ball bearings. Length: 17.5"/444.5mm, Width: 10.5"/ 266.7mm, Height: 6.75"/171.45mm. Wheelbase: 12.5"/317.5mm, Center ground clearance: 3.5"/88.9mm. Worminator Crawling Axle features: Front and rear solid axle with worm gear drive. Large gear reduction in a small axle pumpkin size. Self locking on steep slopes. Torque twist is minimized due to the gear reduction ratio. Axle casing split right down the center (symmetrical). 12mm wheel hex. Steel worm gears.