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The technique
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SEAT AND AXLE

The seat: it is very large and sturdy, is made of fibre glass impregnated with epoxy resin with turned finish on both sides (inner side and outer side) which make cleaning operations extremely easy and is connected to the frame by means of an easily removable basket, if maintenance is needed. Comfort and safety are the features characterising this project, specifically designed for the customers using the karts for rent.

The axle: it is made of a special steel tube with a diameter of 40 mm and a thickness of 5 mm, supported by four bearings. The total length is 1080 mm and allows the hubs to trig for a much wider surface, while the keys, especially manufactured with a step the hub leans on, avoid those dangerous movements caused by the intensive use.
 
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N Series Chassis

Birel has created a department in parallel to the racing department for this product range, focusing on studying, researching and developing the new worldwide phenomenon in indoor and outdoor kart rental and endurance racing. All these new events have one common denominator: they use four-stroke engines. After two years of design and research, Birel is proud to present an innovative kart intended for mass amusement. The entirely new chassis has been expressly designed for rentals and endurance races implementing totally innovative concepts. The extremely solid structure is made of 35 mm diameter molybdenum chromate steel tubes. The new kart can be used for right-engine, left-engine or two-engine versions. Front axle disc brakes ensure perfect deceleration and the 40 mm diameter axle fitted on four bearings spells safety.