The RC4 NOIZE ST PRO offers top performance and is ideal for short turns. With its short radius, this ski is the best choice for dynamic short turn technique with maximum rebound. The RC4 Noize ST Pro features Noize Control™ technology, which reduces vibrations even at high speeds and ensures smooth handling and control. Feel direct power transfer with the M plate. With its Race Yellow base, the ST PRO is sure to turn heads. 12.5m radius.