RK Chain BL420MRU U-Ring Chain

Lightweight, low friction, sealed, U-Ring 420 pitch chain perfect for Honda Monkey and Honda Grom. BL420MRU features RK Chains proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than 50% of the most common O-ring seal. This allows RK Chains to design a Sealed Chain with the weight of a Non-Sealed Chain. BL420MRU will feature 4 times longer chain life than comparable non-sealed 420 chains. BL420MRU will require less chain adjustments compared to non-sealed 420 chains.

• Average tensile Strength of 4,540 lbs
• Rated for 25 Horsepower
• Lightweight and low friction, weighs only 1.74 lbs
• Master link included: Clip type
• U-ring ultra thin sealing technology, thickness is 50% less than most common o-ring seal
• 420 pitch chain perfect for Honda Monkey and Honda Grom
• Lasts up to 4 times longer than comparable non sealed 420 chains requiring less adjustments
• Suitable for 150cc max street and off-road use