The Tamiya 3454481 Belt Stabilizer is a dedicated spare that helps secure the belt route on the TRF415MSXX chassis. It is intended to lower the risk of the belt coming off during aggressive driving.
Stabilising the belt improves throttle feel and reduces sudden loss of drive caused by slips, making your setup changes more predictable during practice runs.
Install the stabilizer using common workshop tools and confirm belt tracking once fitted. Minor tension adjustments will help you find the best compromise between smooth rotation and firm grip.
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