XL & XXL BFR… What Does it all mean?
XL Frame BFR
All large BERG Go-karts have a BFR system: Brake, Freewheel and Reverse. By using the pedals, the BFR system allows you to brake and then immediately reverse after standstill. In addition, the freewheel ensures that the pedals remain stationary while the wheels are turning. This combination of techniques always ensures safety when driving on your go-kart.
XXL Frame BFR
The BERG XXL frame is ideal for people taller than average height. The XXL Frame BFR has the standard BFR system, but with a reinforced and extended frame. The main difference is that the XXL Frame has two extra positions at the back of the frame, so there are eight different positions instead of six. This ensures that taller people can sit better and more comfortably in the go-kart.
Pedal Go-Kart Size Chart