The new BMW R4 HP4 is the first bike with frame and rims made entirely of carbon. With a power of nearly 215 HP, it only displays a light weight of 146 kg dry. Built in a limited edition of 750 units, this engineering masterpiece will be handmade by the Bavarian company’s specialists, each will receive a numbered sticker.Exclusive and rare, this HP4 Race should according to specialists approach the $120,000 Canadian. a handful of change what!
True lightweight, its frame is made from one piece, from the steering connector to the swingarm pivot is uninterrupted carbon fiber. Subtracting 4 kg by the weight of the standard frame. These main characteristics facilitate the calculation and the modulation of the torsion and of the rigidity according to its use.
Designed for the track, the HP4 RACE is made up of a self-supporting carbon face concealing a forced intake system, its dome-shaped windscreen allows the pilot to remain in a straight line with the air flow While providing optimal protection.
Its engine is an evolution of the engine used in World Championship of endurance WM and World SBK. With a rotational speed of 14,500 rpm, it produces 215 HP with a maximum torque of 120 Nm at 10,000 rpm.
Its 2D dashboard provides all important information for pilots- A data logger allows saving and viewing the recorded data. Its dynamic system DTC can be adjusted precisely and offers optimum traction in all racing situations. Different parameters are displayed, such as power delivery according to the ratio engaged, engine brake, checking of the jib, launch control or start mode, speed limiter on refueling track. Its electronic functions guarantee extraordinary performance. Its carbon rear frame can also be adjusted to three different positions.
Several adjustments can also be customized, including profiling of the handlebar, footrests, seat height, etc. An HP RACE speed change wizard with reversal of the shift direction allows easy feedback when changing gears. Its six-speed transmission is equipped with bearings adapted to the specification of the World Championship and can also be customized by means of additional secondary transmissions included in the delivery.
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The FGR 300 inverted fork and the Ohlins TTX 36 GP shock absorber are from the World Superbike. Equipped with Brembo GP4 PR brake calipers, they are used in MotoGP and offer superior braking in combination with 3,20 mm thick 320 Type Tracing brake discs.
Its braided carbon fiber wheels weigh only 1,540 grams less than forged rims. They improve the maneuverability thanks to their reduced mass. The Akrapovic Volltitan exhaust system and its hand-brushed aluminum tank make the dry weight of 146 kilograms possible. The engineers also facilitated maintenance with titanium screws of size 6, 8 and 10, not only reducing the weight of the HP4 RACE but also reducing the number of tools needed.
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