Serpent 903803 - S9XX Rear Aluminum Excenter Set - Track Fitted Upgrade  [SER903803]

Tune Rear Geometry on the Serpent S9XX

RC drivers seeking finer rear geometry control will find the Serpent 903803 - S9XX Rear Aluminum Excenter Set a straightforward upgrade. Supplied as a left and right pair, these excenters allow precise toe and camber tweaks to suit different track surfaces. Built from solid aluminium, they are made to hold settings and withstand repeated adjustments.

How the Serpent 903803 - S9XX Improves Setup

Made to match the S9XX chassis dimensions, this excenter set makes setup changes repeatable and accurate. Aluminium construction reduces unwanted flex and keeps the adjustment points true under load, helping drivers maintain a stable rear end through corners. The result is smoother handling and more predictable lap times.

For competitors wanting reliable rear tuning hardware, the Serpent 903803 - S9XX excenters are a practical upgrade that supports consistent performance across sessions.