The 2.5mm framework created from harder graphite product originated for very-high traction conditions, or when utilizing tires that provide many steering rendering the auto more challenging to push. This harder framework makes the vehicle more stable and more straightforward to drive, and removes oversteering. The framework had been redesigned to guide the Tweak-Free Pod System and side braces. The X1'21 framework continues to supply a wheelbase adjustment making use of among three mounting jobs leading suspension. According to the installation choice, wheelbase are plumped for through the standard size or +/- 4mm options. Fits X1'21 #371027 X1'21 Graphite Chassis 2.5mm - Hard