- Manufacturer: RK
RK GB 520 MXU U-Ring Chain
MXU is one of the lightest sealed-ring motocross chains available on the market today. Made for the professional motocross racer, MXU series is the next generation of motocross racing chains featuring RK's ultra slim U-Rings or UW-Rings. MXU chains are designed to provide the most consistent power delivery with increased chain life. All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) Process.
- The lightest sealed-ring MX chain on the market
- Designed for the professional motocross racer
- Designed to deliver consistent power delivery with an extended chain life
- Ideal for race applications between 125-500cc
*NOTE: If your motorcycle came factory-equipped with an O-ring chain, it must be replaced with an O-ring chain.