RK Excel BL420MRU-120 Black 420 Drive Chain with Ultra Thin Seal for Motorcycles

The RK Excel BL420MRU-120 is a high-performance motorcycle drive chain designed for durability and efficiency. Featuring RK’s proprietary Ultra Thin Seal U-Rings, this chain offers a sealing solution that is less than 50% the thickness of standard O-rings, enabling a lightweight design comparable to non-sealed chains. This innovative sealing technology results in four times longer chain life compared to traditional non-sealed 420 chains and reduces the need for frequent adjustments, making it ideal for riders seeking longevity and reliability. Constructed with high-quality materials, this chain is capable of handling a maximum horsepower of 25 HP and a maximum CC rating of 150cc for both street and off-road applications. Its robust tensile strength of 4,540 lbs ensures it can withstand demanding riding conditions while maintaining excellent performance. The chain's lightweight design, weighing only 1.74 lbs, contributes to improved acceleration and handling. The BL420MRU-120 also features a maximum chain width of 17.1mm, providing a secure fit for compatible sprockets. Included with the chain is a clip-type master link for straightforward installation and maintenance, simplifying the process for both professional mechanics and DIY enthusiasts. Whether you're upgrading your motorcycle's drive system or replacing a worn chain, the RK Excel BL420MRU-120 delivers exceptional durability, advanced sealing technology, and a lightweight profile to meet the needs of serious riders and enthusiasts.

Features:

• Ultra Thin Seal U-Rings: Seal thickness less than 50% of standard O-rings for reduced weight and longer chain life

• Tensile Strength: 4,540 lbs for reliable performance under demanding conditions

• Max CC Rating: 150cc for street and off-road use

• Max Horsepower: 25 HP suitable for a variety of motorcycle engines

• Lightweight Design: Weighs only 1.74 lbs to enhance handling and acceleration

• Max Chain Width: 17.1mm for a secure and precise fit

• Includes Master Link: Clip type for easy installation and maintenance