After creating a lot of suspensions, and making all the petrolheads wait for so long, finally, American two-wheeler manufacturer Harley-Davidson in partnership with homegrown bike maker Hero MotoCorp, has revealed the official images of the upcoming all-new X440 roadster. Harley-Davidson X440 roadster Powertrain Starting from the heart, the bike is likely to come with an oil-cooled 440cc engine option, which …