RK Takasago 420 MRU Sealed U-RIng Chain
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- MRU chains utilize RK's proprietary Ultra Thin Seal U-Rings which allows the thickness of the seal to be less than 50% of the most common O-ring seal
- MRU features 4 times longer chain life and will require less chain adjustments than comparable non-sealed 420 chains
- Lightweight, low friction, sealed, U-Ring 420 pitch chain perfect for Honda® Monkey and Honda® Grom