There are countless variables that can affect the performance of a bike while it is on the road. Everything from elevation and air density to the hardware of the system itself. If a Ryker has had new parts installed, such as a new exhaust or a new intake, those mods may be underutilized without a tune. In order to capitalize on the performance of your system, we recommend installing one of our ECM tuning devices. These little marvels are the essence of big things in small packages. Within minutes you will be able to optimize your air to fuel ratio and download a tune tune based on the mods you have installed. Best of all, you aren't locked in to a single setting, as our tuners can swap between different presets so you can decide what you need while on the go.