The Serpent 402040 Solid Axle is a targeted upgrade for the X20 '23 chassis, aimed at improving stability and predictability on the track. This solid axle swaps out the standard differential to deliver a more direct drive, cleaner power transfer and less ongoing diff maintenance during race weekends.
Running a solid axle removes independent differential action so both wheels turn together, which can increase traction and provide steadier handling through fast corners and on higher-grip surfaces.
Installing the Serpent 402040 Solid Axle is straightforward for anyone familiar with the X20 '23 layout. It is engineered for a clean fit so you can complete the swap with basic setup tools and get back on track quickly.
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