RadiusX 4.0 Clutch - YFZ 450/R (Kit)-11300739

Description

RadiusX 4.0 Clutch – YFZ 450/RRadiusX 4.0 Clutch KitUpdated EXP (expanding friction disk) assemblyBase material updated to provide better strength in high temperature environments, critical for the heat clutch systems createInternal wall bases redesigned for strength and rigidity, which helps translate to a more connected lever feel for the riderOn the outside of the EXP disk, friction pads now match proprietary friction design found on Rekluse TorqDrive clutch plates, this design helps match oil flow characteristics on the clutch pack beneath, promoting improved cooling capability and consistent operationEXP 4.0 wedges have been improved to now use rolling contact with built-in pinsRolling pins versus sliding creates less friction and resistance, providing smoother engagement and a more responsive feel, creating stronger power delivery overallMore direct power delivery, improved durability, and rider-focused functionalityEngagement curve designs updated to better match modern motorcycle engine characteristicsMore tuning options with varying wedge weights and EXP springsFitment: