Want to upgrade your R1 Sport Chassis up to a R1 Pro Chassis? You can do that at any time! The R1 Sport Chassis is built to be fully upgradable to a R1 Pro! All you have to do is purchase the Chassis Upgrade Stage 2 add-on to bring your R1 Sport model up to a R1 Pro model!
Add your selected color(s) HERE to the cart for your upgrade package and indicate which color is for the body and which color is for the frame in the checkout notes form box. We will then contact you to confirm your upgrade order and start your build.