TRAXXAS TRX4M Ford Bronco 1-inch Widen High-Adhesion Crawler Tires by GPM TRX4MZSP1213  [TRX4MZSP1213]

1/18 TRX4M scale crawler tires

This is an RC-scale replacement set of widened crawler tires engineered for low-speed, technical crawling on scale 1/18 platforms. The design pairs a non-plastic butyl rubber tread with multiple foam insert options and an internal reinforcement ring to improve support and tear resistance for extended hobby use.

Key physical details from the producer include a 60mm x 25mm tire size, a factory-installed 80-degree hard sponge inside the tire skin, and additional 60-degree softened sponges supplied for tuning compliance. A separate super-soft 25-degree rubber compound is used in the tread and is described as providing approximately 35% more grip versus plastic tyres in the original data.

Fitment notes: these tires are intended for 1-inch wheels; for certain 1/24 platforms such as SCX24, a 1-inch wheel change is required before installation. The outer clamping geometry is shaped with an extended tongue and longer fixing screw locations to ease mounting and prevent the wheel from slipping off during clamping.

Installation and tuning role: the set includes a firmer insert and softer replacement inserts to tune sidewall support versus compliance. Use the 80-degree insert when extra support is needed and swap to the 60-degree softened sponge to increase conformity and bite on rough surfaces. The reinforcement structure and butyl compound reduce water slip and improve tear resistance compared with some softer plastic blends.