BERG XL DUO CHOPPER BF Classroom Management IQES. All our karts are built by our professional in house mechanics, no hidden costs. Playing together is more fun than playing on your own! Thats why we now have the BERG Duo Chopper BF. This cool go kart has two seats so that two people can tear around on this go kart. The co riders seat can be removed so that the co rider can stand on the platform and lean into the corners. The BERG Duo Chopper BF is extremely manoeuvrable due to the small turning circle. The pneumatic tyres make it very comfortable to ride. This go kart is suitable for children from the age of 5. Very robust frame making it even suitable for professional use. Equipped with hand brake and parking brake. Grows with you due to the adjustable steering wheel and saddle. The pneumatic tyres ensure extra comfort. The 4 wheels and swing axle keep you grounded firmly and safely.