Related: KTM Serious About Sportbikes Right-side view of the 990 RC R prototype ... Will this more track-ready model get full adjustability front and rear? Or will that be saved for the Track ...

the additional adjustability for the front suspension and lighter and stronger frame do give the RS 457 an edge in handling and ride quality. Both the Aprilia RS 457 and KTM RC 390 also differ a ...