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100 Line

RX 32-SC	MX 32-SC
R 31-SC	M 31-SC

125 Line

WINNING EVOLUTIONS

The 2125 line is marked by the technical evolutions developed by the Racing Division, which already proved successful during the most prestigious events of the racing season.

2006 is the first year for the new homologations, which will be valid for six years based on the regulations in force. In view of this important appointment, Birel’s Racing Division did not spare any effort so as to develop the most effective solutions. The results obtained in the competitions of the classes with gear box leave no doubt as to the effectiveness of the work done: Birel chassis won the World Cup, the European title as well as the American Stars title, just to mention the most important victories.

The range of the chassis, therefore, is the result of an accurate development that brought about 2 separate lines (“R” and “M”), both including 2 models: CRX 32 –SC and CR 31-SC for the R series, and CMX 32 – SC and CM 31 –SC for the M range. The models marked with an X both consists of 32-mm tubes (with the exception of the central cross-bar made of 30-mm tubes) and offer the option, provided for by the latest regulations, of varying the wheelbase. Actually, thanks to the new housings of the axle bearings, the wheelbase can be quickly changed from 1040 mm up to 1054 mm, with a great advantage on fast circuits with wide bends. In addition, model CRX 32-SC also features a completely new design of the central part of the body, with semicircular cross-bars converging towards the inside near the seat.

The flanges of the axle enabling to lengthen the wheelbase of the chassis marked with an “X”, the new “C” of the spindle and the new steering column.

These technical solutions ensure a better overall balance of the chassis. For the entire racing line, the spindle C’s where modified, too, and strengthened by a reinforcement on the inside. The steering wheel is also provided with new spindles and steering column, offering a further possibility to adjust the forecarriage. The models CR 31 –SC and CM 31 -SC , both made of 30 and 32-mm tubes, instead, are the result of an evolution of the 2005 versions and represent a guarantee in terms of reliability and performance. In particular, the CM 31 –SC version underwent further development in the course of the entire racing season, and although it is being proposed as already homologated in the past session, in commercial terms, this is actually going to be its very first year on the market. As far as outfits are concerned, the whole range of 125 chassis is equipped with Freeline HQ accessories, among them the braking system highlight, an invariably winning feature of Birel chassis. The fairings mounted are Cik 03 completed by a kit of Birel Motorsport Pvc stickers.

Novelties
As already mentioned, from the technical point of view, the most significant innovations regard model CRX 32 –SC, which compared to the CR version of the past homologation, features a new design of the central cross-bar of the chassis (placed at a level with the tank), as well as of the rear cross-bar. The front cross-bar was built with a slightly curved design and a 30-mm tube, whereas that of the former version measured 32 mm. This solution ensures a better overall balance between forecarriage and rear carriage. The advantages provided by the modification of the cross-bar, on the other hand, include increased drive, improved braking stability and “grip”, still leaving the chassis “flexible”. Although less manifest, the modifications made on model CMX 32-SC are equally crucial. The tubes of the forecarriage holding the floor panel were reduced in diameter, as was the central cross-bar of the chassis, made of 30-mm instead of 32-mm tubes in this case, too. Both solutions brought about tangible advantages to the forecarriage ensuring very effective entering into bends.

The bodies of the 125 “Racing” range are made of high-quality tubes following a production process marked by the highest professional standards. Each chassis undergoes painstaking quality controls both in relation to its structure and look. This property is Birel’s “hallmark”, ensuring the excellence of every single kart manufactured in Lissone. The various design proposals were developed to offer customers specific products based on individual needs such as driving features, circuits, tyres and engines used.

CRX 32-SC	CMX 32-SC
CR 31-SC	CM 31-SC