The framework features additional holes allowing to move your whole suspension system system more ahead to boost the wheelbase regarding the vehicle. The framework features 3 wheelbase modification jobs. The whole backward destination fits 1st X1 framework wheelbase. An added two extra functions runs the wheelbase the car by 4 and 8mm. The longer the wheelbase is, the vehicle is more stable and safer to push. Nonetheless considerably longer wheelbase decreases automobile reaction, rotation and steering. Shorter wheelbase is preferred for smaller technical tracks and longer for significantly more available songs. The 2.5mm framework & top deck are constructed of good graphite product.