The RK 525 ZXW Drive Chain is designed for high-speed, high-horsepower performance applications, including large-displacement motorcycles and machines equipped with extended swingarms. This blue 525-size chain includes 170 links and is engineered to provide dependable power transfer under demanding riding conditions. Manufacturer part number BB525ZXW-170 and vendor part number BB525ZXW-170 identify this RK replacement chain.
Its XW-Ring seal uses three contact lips and two lubrication pools to help protect the chain’s internal components from dirt, debris, abrasion, heat buildup, and lubricant loss. This sealing design supports consistent operation and extended service life during severe use, making the chain well suited to performance-focused street, touring, drag, and off-road applications when matched to the motorcycle’s required 525 chain specification.
Before installation, confirm compatibility with the motorcycle’s make, model, year, engine configuration, sprocket setup, and required chain length. The RK 525 ZXW chain is supplied in a 170-link length and may require sizing and riveting by a qualified technician for the specific application. Follow the motorcycle manufacturer’s service procedures and use the appropriate chain tool and master-link installation method.
Features:
- Brand: RK
- Series: ZXW
- Chain size: 525
- Length: 170 links
- Color: Blue
- Part number: BB525ZXW-170
- Manufacturer part number: BB525ZXW-170
- Vendor part number: BB525ZXW-170
- Seal design: XW-Ring with three contact lips and two lubrication pools
- Application: High-speed, high-horsepower motorcycles, large-displacement machines, and extended-swingarm applications
- Performance protection: Helps resist dirt, debris, abrasion, heat buildup, and lubricant loss
- Fitment: Designed for motorcycles requiring a 525-size drive chain; verify make, model, year, and chain length before installation