Tamiya 84031 - 1/10 F103RM Precision Formula Chassis Kit  [84031]

Overview of the Tamiya F103RM Formula Chassis

The Tamiya 84031 - 1/10 RC F103RM is a precise formula chassis aimed at on-road racers and serious hobbyists. It blends classic F1 styling with parts designed to improve response and handling for club and track use.

Lightweight Drivetrain and Adjustable Gear Case

The chassis uses the 53248 Formula Lightweight Diff Joint Set to reduce rotating mass for crisper acceleration and throttle response. The 53257 Formula Height Adjustable Gear Case is included so racers can alter ride height to suit different tyre choices and track surfaces.

Suspension Tuning and Roll Control

Rear behaviour is improved with the 53273 Formula Car Rear Suspension Ball Mount Set, which swaps O-ring supports for ball mounts to cut vibration and allow smoother rolling. The front runs a kingpin coil spring setup while the rear uses a T-bar with friction plate and coil spring for balanced on-track manners.

Kit Details and Required Components

The kit comes with a full set of bearings and a standard ball differential to keep power transfer efficient and reliable. Note that servo, R/C system, ESC, motor, battery and charger are not supplied, and the RM type body shell is unmarked to allow custom painting.

This Tamiya F103RM suits racers who value precise tuning and a lightweight drivetrain; it makes a strong base for upgrades and setup experimentation on tarmac circuits.