BMW Concept Stunt G 310 makes its debut at South American motorcycle show

Article by Christian A., on October 10, 2015

When BMW Motorrad premiered the BMW Concept Stunt G 310 during the largest motorcycle show in South America, it presented a new side to the brand. It showed a strong interpretation of an extremely agile and aggressive stunt bike that was mainly based on a single cylinder study.

A big factor in the realization of the Concept Stunt 310 is the contribution of Chris Pfeiffer. Pfeiffer is a stunt rider and four-time World and European champion. According to Pfeiffer, since stunt riding is a multi-faceted yet demanding sport, one would ideally need a bike that is not just agile and compact but one that is also robust and stable.

Pfeiffer adds that there has to an ideal balance when it comes to control and aggressiveness. A quick look at the BMW Concept Stunt G 310 shows that indeed it has all these qualities. Its new one-cylinder engine for instance allows for compact proportions mainly due to the state-of-the-art concept.

What makes the cylinder unique is that while its body has been inclined to the rear, the head has been rotated 180 degrees. This allows for the optimum placement of its engine and when coupled with a short wheelbase and a long swinging arm, this gives it the agility that it needs.

Since the tail section has been raised but the front remains low-slung, this enables the motorcycle to make direction changes in a fast and quick manner. It also allows for very dynamic riding. Furthermore, the intake area has been shifted towards the front whereas the exhaust system has been moved to the rear.

This makes it possible for the rear silencer to be placed in an upright standing position beneath the seat and between the spring strut and the engine. The end result is that the silencer is not simply optimally protected but in no way does it limit the freedom of movement of the stunt rider.

Though it can hardly be seen, it is not possible to overhear it. Thus, once the Stunt G 310 is started, its sound is sure to get the attention of everyone. The rather emotional side view of this concept motorcycle is symbolized by the three-dimensional design found on its surfaces.

Even if the bike is stationary, the precise lines of the design plus the interplay of its contours give it a sense of speed and movement. What people are likely to find striking is the side wing contours on the fuel tank that significantly highlight this particular effect.

All of the different lines give it a sense of movement to the front wheel while continuing to highlight the ease of handling present in the BMW Concept Stunt G 310. At the same time, the surface of the bike produces a compact yet unique silhouette that further emphasizes the advantage of having the center of mass around its engine block.

If that’s not enough, then one need only to look at the slim front view which shows its high level of agility. The surfaces of the fuel tank have been expressively modelled resulting in a broad shoulder section that is emphasized even further by the design of its front facia. As with the front, the raised tail also gives the impression of playful handling and cornering.

The visual gravity is shifted even further to the front and when combined with its engine spoiler, it manages to put more of the focus on the front wheel. Unlike the usual stunt bike, the BMW Concept Stunt G 310 has undergone various modifications.

This model was created by the BMW Motorrad Design Team in partnership with Chris Pfeiffer who brought with him his years of experience as a stunt professional. The main goal of this collaboration is to provide the best possible handling capabilities in order to enhance the stunt driver’s feat while driving on asphalt.

One impressive feature is the lockable throttle which allows the motorcycle to have constant propulsion even if the rider has released his hand on the throttle grip. Furthermore, due to the gear ratio being slightly altered, it ensures that there is greater propulsive force on its rear wheel even at low engine speeds.

Meanwhile, the rear wheel brake has been deliberately oversized in order to allow reliable deceleration regardless of the situation. There is also a second but even larger wheel brake on the rear that can allow the rider to easily brake the rear wheel with only the use of the middle finger especially in situations when the right foot is not placed on the footrest while performing certain stunts.

Then there’s an additional brake lever placed on the handlebars’ left side allowing it to be operated with the clutch. The Stunt G 310 additionally gives the rider more options for positioning the feet with axle pegs being placed not just on its front axle but also on the seat area.

As such it offers more possibilities that what is offered by the usual foot rests. Giving the engine additional protection are the unique red crash bars. Aside from all of these features, the BMW Concept Stunt G 310 also highlights its “stunt tail.”

Developed specifically by BMW Motorrad, it is something that has not been seen in such a shape especially on a stunt bike. Milled from what is clearly solid aluminium, it has an opening located in the center which allows the stunt rider another option for holding his foot.

With the non-slip seat, it gives a more stable seating position especially when riding due largely to its shape. The base color of this model is the classic white of the BMW motorsport with red and blue and is combined with a modern interpretation of the national colors seen on Brazil’s flag.

Both the material design and the combination of yellow and neon green can surely attract attention. The bright neon colors are not just in one area but they actually extend through the whole length of its body, further highlighting both the dynamic lines and the surfaces of the bike.

Its drivetrain and core meanwhile are in darker colors in order to visually move the center of gravity even lower. Edgar Heinrich, who is Head of BMW Motorrad Design, sums everything up by saying that the BMW Concept Stunt G 310 is truly an “eye-catcher” as it appears to be telling people that it wants to people to ride it and go against the laws of gravity.

Press Release

BMW Concept Stunt G 310 – Street. Style. Stunt.

With the world premiere of the BMW Concept Stunt G 310 at South America’s largest motorcycle show, BMW Motorrad is presenting a completely new side: the uncompromising interpretation of an aggressive and agile stunt bike based on a single cylinder study.

Thanks to his experience as a four-times World and European stunt riding champion, Chris Pfeiffer, contributed to the realisation of the BMW Concept Stunt 310. “Stunt riding is a demanding and multi-faceted sport. Ideally you need a compact, agile bike which is also stable and robust at the same time. You have to achieve the ideal balance between aggressiveness and control”, explains Chris Pfeiffer.

Compact proportions, highest-level agility.
The BMW Concept Stunt G 310 combines all these qualities and makes clear at first sight: the newly developed 1-cylinder engine allows for very compact proportions thanks to its innovative concept. The special feature is the cylinder which is inclined towards the rear and the cylinder head which is rotated by 180 degrees. This permits optimum placement of the engine in the motorcycle and a short wheelbase in spite of the long swinging arm thereby making the motorcycle very agile. The low-slung front and the raised tail section promise fast and nimble changes of direction as well as dynamic riding. By shifting the intake area towards the front while also moving the exhaust system towards the rear it was possible to place the rear silencer in an upright standing position underneath the seat between engine and spring strut. In this way the silencer is optimally protected and does not limit the stunt rider’s freedom of movement. Even though you may hardly see it, you will not overhear it. Once started, the sound of the BMW Concept Stunt G 310 is sure to attract attention.

Emotional surface design in typical BMW Motorrad style.
The emotional side view of the Concept Bike is characterised by the powerful three-dimensional design of its surfaces. The precise lines and the expressive interplay of the contours create a sense of movement and speed even when the bike is stationary. What is especially striking in this respect are the side wing contours of the fuel tank which significantly emphasise this effect. All lines seem to generate a sense of movement towards the front wheel and underline the playful ease of handling of the BMW Concept Stunt G 310. Simultaneously the bike’s surfaces create a compact and distinctive silhouette emphasising the favourable centering of masses around the engine block.

The slim front view of the BMW Concept Stunt G 310 also draws attention to its high level of agility. The expressively modelled surfaces of the fuel tank result in a broad shoulder section which is underscored further by the design of the front facia. Similar to its front, the raised, filigree tail promises playful cornering and handling. It shifts the visual centre of gravity to the front even further and in combination with the engine spoiler emphasises the front wheel even more.

Extensive stunt modifications.
The numerous modifications are typical for a stunt bike; in making them Chris Pfeiffer brought his many years of experience as a stunt professional to bear in cooperation with the BMW Motorrad Design Team. Their single aim is to provide the best possible handling properties for the stunt rider’s feats on the asphalt. The lockable throttle ensures constant propulsion even when the rider’s hand has to let go of the throttle grip. In addition a slightly altered gear ratio secures greater propulsive force to the rear wheels at low engine speeds while the intentionally oversized rear wheel brake ensures reliable deceleration in every situation. A second, even larger rear wheel brake allows the rider to brake the rear wheel using only his middle finger, in case his right foot is not on the footrest in certain stunts. The additional brake lever is specially placed on the left side of the handlebars and can even be operated at the same time as the clutch. So-called axle pegs on the front axle and in the seat area give the rider additional options for placing his feet which go way beyond the possibilities offered by normal foot rests. The distinctive red crash bars provide additional protection for the engine. A special highlight on the BMW Concept Stunt G 310 is the “stunt tail” which was specifically developed by BMW Motorrad and which has not been seen in this shape on a stunt bike. It is milled from solid aluminium and features an opening in the centre, which offers the stunt rider a hold for his foot. Together with the non-slip seat, the aluminium component also ensures a stable seating position when riding thanks to its shape.

Modern colour and material design.
The colour concept features the classic BMW motorsport colour white as the base colour as well as red and blue in combination with the national colours of the Brazilian flag in a modern interpretation. The spectacular neon green and yellow colour and material design is certain to attract attention. The bright neon colours extend along the entire body thereby emphasising the dynamic lines and surfaces of the bike. The core of the bike, the drivetrain, features darker colours and moves the visual centre of gravity even lower. Edgar Heinrich, Head of BMW Motorrad Design sums up: “The BMW Concept Stunt G 310 is a real eye-catcher. Everything on this concept seems to be shouting out to ride it and defy the laws of gravity.”

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Topics: bmw, concept



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