The RK MRU U-Ring Chain features a proprietary ultra-thin seal (U-Rings) where the thickness of the seal is less than 50% of the most common O-ring seal. This allowed RK to design a sealed chain with the same weight as a non-sealed chain.

• Sealed, lightweight performance chain is perfect for the Honda Monkey and Grom Clip type master link included
• Street/Offroad Rated for 25hp
• Tensile Strength: 4,540 lbs
• Max CC Rating: 150cc