WSM Piston Kit - Yamaha - Standard 50-530PK Bionic-10 Carbon Knee Brace Set RadiusX combines TorqDrive friction disk

RadiusX combines TorqDrive friction disk technology with EXP (auto clutch) disk

The revolutionary design of the Road Intellilever allows the lever to dislocate during a crash

KTM 250 SX 2017-2018

Power Pro with an industry-first 222° 2-into-1 heat shield system

Internal toe box and heel counter reinforcement is layered under the upper for more ergonomic design

WSM Piston Kit - Yamaha - Standard 50-530PK Bionic-10 Carbon Knee Brace Set RadiusX combines TorqDrive friction diskQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves