If you are going to run Circuit with NS50F.R, you should definitely add it. the stability of Breaking and High Speed Corner is different.
Although it is not written in the Instruction Manual, it is possible to adjust the rigidity by the installation method, and it is possible to set it in the high-speed and low-speed course.
Fender cut or removal is required for installation.
Looks like you access from European region.
Would you shop at webike.eu.com?

