You can do what ever you like on the gearing with the 530 conversion including keeping the same ratio or going up or down. I went to a higher gear ratio when I did the 530 conversion and bumped my mpg up by about 8-9mpg on the highway. It takes longer to wind out each gear now and it's not as quick off the line any more but it's great for just cruising and it's still got plenty of getup and go.Isn't that a gearing change? I initially saw that as @ Z1 while perusing their porn.....er... parts sections but thought that it would kill the highway-bility (still a fan of the G. Bush school of Engrish). In town, that would be great! Probably pull the wheel off when that frickin' Gixxer stops by my house and revs while I'm working on the ride. But on a trip to another state, would it be killing mileage, increase the noise, shove the vibrations into another level, etc.?
You guys are killing me!