With the new 250 in standard and SF guises, as well as the 155cc reborn in both guises, there are now four flavours of Suzuki Gixxer. We take a deep dive into what is likely to be the most popular version - the standard Gixxer without the fairing and with the 155cc engine - to tell you what's new, how it stacks up against its rivals, and what you get for your money.