RK 520 EXW is a high-performance W-Ring sealed drive chain built for extreme heat and high-speed off-road use. Pre-stressed and pre-stretched for consistent load distribution and reduced maintenance, it’s a durable choice for powerful bikes.
Get dependable power transfer and long service life with the RK 520 EXW Drive Chain. Designed for high-speed riding and extreme heat, this EXW Series chain is made to handle the demands of larger-displacement off-road engines while keeping maintenance to a minimum. With RK’s pre-stressed and pre-stretched construction, the chain helps maintain consistent load distribution for smoother performance and longer wear life.
If you’re replacing a worn chain or upgrading for tougher conditions, the W-Ring sealing system helps keep lubrication in and dirt out—ideal for motocross and enduro environments where mud, dust and water accelerate drivetrain wear.
