Tamiya 42105 - TRF501X World Championship Edition Competition Buggy Kit  [42105]

Precision Off-Road Engineering with the Tamiya 42105 TRF501X

The Tamiya 42105 - 1/10 RC TRF501X World Championship Edition is a precision-built kit that reflects Team TRF tuning and race-focused design. Developed with insights from IFMAR Electric 1/10 Off-Road competition, this edition emphasises control, robustness, and consistent lap performance on demanding surfaces.

Design and Build Focus

This edition arrives as an assembly kit for hobbyists who enjoy detailed builds and setup work. The TRF501X ships with multiple option parts that enhance handling and durability. A reworked ball differential improves lifespan and response, while aluminum caster blocks and reinforced rear uprights help resist crash damage during close racing.

Performance Components and Setup

Key parts include hardened steel ball connectors and Delrin damper pistons that contribute to predictable suspension action. The drivetrain is revised with an 18T center pulley and 37T ball diff pulley driving 369mm belts for efficient torque transfer. The clear polycarbonate body is shaped to reduce aerodynamic drag and stabilise the buggy at speed.

The Tamiya 42105 TRF501X World Championship Edition suits advanced builders and racers who want a tunable, race-capable buggy. Its strengthened parts and race-oriented layout make it a durable choice for competitive off-road use.