chassis

Hi all, I was able to get my cup bike out on 3 tracks the end of the season here in the east. Here's my questions for those tracking/racing: 1. I am sending out my suspension to thermos man for springing and valving but noticed a lot of chassis flex in the bike, i am not sure if that was due...

Here are the Fiches for 2015 rc 390 Engine 2015 RC 390 WHITE ENGINE by Commonwealth Motorcycles - issuu Standard Chassis 2015 RC 390 WHITE CHASSIS by Commonwealth Motorcycles - issuu Cup Bike Chassis 2015 RC 390 CUP USA CHASSIS by Commonwealth Motorcycles - issuu