Discontinue and replaced by ZXW (since 2022)
Seal Chain for Big CC Motorcycle

Looking for an affordable, long lasting performance chain?
RK GXW Series are designed to be top of the line for Superbike and Endurance Racing, featuring light weight, high strength and durability.
RK GXW Series features RK’s only technology of XW-Ring, which is a triple barrier to further seal the lubrification but also prevent debris to enter the chain.
RK GXW Series can be applied on both Street Use, securing chain mileage as far as 20 000 km and also Track usage, featuring high performance for the best lap time.
520GXW XW-RING CHAIN
- Tensile Strength: 38.8kN
- Application: 750cc / 1200cc
- Master Link Included: Rivet type
- Weight: 1.68Kg/100L
525GXW XW-RING CHAIN
- Tensile Strength: 39.5kN
- Application: 600cc / 1300cc
- Master Link Included: Rivet type
- Weight: 1.87Kg/100L








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| 525XSO | 525GXW | 525ZXW | |
| Tensile Strength | 37,2 Kn | 39,5 Kn | 46,4 Kn |
| Application Cyl. | 400cc / 900cc | 600cc / 1300cc | 600cc / 1300cc |
| Master Link Included | 400cc / 900cc | Rivet type | Rivet type |
| Weight/100L | 1,87 Kg | 1,87 Kg | 2,07 Kg |
| Application | STREET RIDING - TOURING | SPORTS RIDING - STREET | EXTREME SUPERBIKE |
| Seal Type |
530GXW XW-RING CHAIN
- Tensile Strength: 44.0kN
- Application: 750cc / 1401cc
- Master Link Included: Rivet type
- Weight: 2.11Kg/100L
Available in 520/525/530



Color Variation





Main point
- For Street
- For Sport Riding (Superbike and Endurance Racing)
- RK XW seal ring
- Street Use minimum 20,000km
- Light weight, high strength and durability
- Track Usage, High Speed & Performance
- Use by many World Endurance teams























