Honda and Ford tried to do this, but never got it into production. But now KTM (European) has launched and sold 400+ of these models.
Looks pretty crazy, here's a trailer:

KTM X-Bow

Here's the X-Bow vs KTM Bike (by iMotor):

KTM X-Bow vs KTM Supermoto! - iMOTOR

Displacement   cm³   1.984
Performance   kW (PS)@1/min   177(240)5.500
Max. Torque   Nm@ 1/min   310@2.000–5.500
Valves   4/Zylinder, DOHC   
Length x Width x Height   mm   3.738 x 1.915 x 1.202
Wheelbase   mm   2.430
Height of centre of gravity   mm   390
Wheel track front/rear   mm   1.672/1.626
Turning Circle   m   10,8
Fuel tank capacity   l   40
Fuel consumption   Ø    7,2 l/100 km
CO2 Emission   g   171/km
Aerodynamic ground pressure at 100 km/h   kg   48
Aerodynamic ground pressure at 200 km/h   kg   193
Deceleration from 100 - 0 km/h   m   32,9
Transversal acceleration with series tyres    g   1,5
Weight distribution static   (front/rear)   37:63