The RadiusCX 4.0 Clutch for the CRF450R/RX is engineered for superior performance in high-temperature environments, enhancing both durability and rider experience. With innovative design updates, this clutch system offers a more connected lever feel and improved power delivery, making it the perfect choice for riders seeking reliability and responsiveness on the track.

• Updated EXP assembly with enhanced base material for increased strength in high-heat conditions.
• Redesigned internal wall bases for added rigidity, translating to a more responsive lever feel.
• Friction pads now incorporate a proprietary design that optimizes oil flow, enhancing cooling and consistency.
• Improved EXP 4.0 wedges utilize rolling contact with built-in pins, reducing friction for smoother engagement.
• Refined engagement curve tailored to modern motorcycle engine dynamics for better performance.
• Expanded tuning options with adjustable wedge weights and EXP springs for customized rider preferences.