Koenigsegg Regera
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The Koenigsegg Regera is a limited production, plug-in hybrid grand touring sports car manufactured by Swedish automotive manufacturer Koenigsegg. It was unveiled at the March 2015 Geneva Motor Show. The name Regera is a Swedish verb, meaning "to reign" or "to rule". Koenigsegg produced 85 units of the car, most of which were sold upon unveiling.
Regera engine and exhaust system on display at Geneva International Motor Show
'Triplex' damper system
Interior with roboticized dihedral doors in open position
Regera Raven
Centerlock wheel
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A centerlock wheel is a type of automobile wheel in which the wheel is fastened to the axle using a single, central nut, instead of the more common ring of 4 or 5 lug nuts or bolts.
Rudge-Whitworth wire wheel and knock-off nut on a 1922 Vauxhall 25
Early 1960s Borrani wire wheel with knock-off hub, as used on Ferrari 250 models
Late 60s/early 70s Cromodora alloy wheel with knock-off hub, as used on Ferrari 365 GTB/4
Mid-80s Ferrari Testarossa fitted with centerlock wheels. While mechanically the hubs are the splined type as on earlier models, the fastening nuts are octagonal as mandated by safety regulations.