Excellent wear resistance, fatigue strength, silencing effect and shock strength capable of withstanding high speed operation. Designed for superior durability at high rpm Special Dai-hard treatment forms an extremely hard metallic layer on the pin surface for increased durability Unique pin-linkplate set-up offers an ideal engaging mechanism for smooth, low-friction power High tolerance protects against power loss Fits: Yamaha WR250F 2001-2021 YZ250F 2001-2013

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