Discontinue and replaced by XRE (since 2024)
Seal Chain for Middle CC Motorcycle
RK 520/525/530XSO are designed for Middle displacement Motorcycle Models, lighten chain weight while securing adequate strength required, emphasizes light feeling of acceleration.
RK XSO Series features RX-Ring that have “X” shaped seals which provide a double barrier to seal the lubrication, providing 2 times longer wear life than standard O-Ring chains.
Premium Replacement for 428 Genuine Chain
RK GB428XSO is the best replacement for 428 Non-Sealed OE Chain, featuring XW-Ring that drastically improve the chain life, together with Plating Gold on both Outer and Inner Plate for the best protection against rust.
RK 428XSO Series features RK’s only technology of XW-Ring, which has two lubrication pools and three contact lips, which is a triple barrier to further seal the lubrication but also prevent debris to enter the chain.
RK GB428XSO is compatible with Electrical Scooter GOGORO 2 series !
428XSO XW-RING CHAIN
- Tensile Strength: 27.0kN
- Application: 125cc / 400cc
- Master Link Included: Clip/Rivet type
- Weight: 1.2Kg/100L
You may be intrested by:
428HSB | 428KRO | 428XSO | |
Tensile Strength | 24,2 Kn | 24.0 Kn | 27.0 Kn |
Application Cyl. | 50cc / 200cc | 125cc / 250cc | 125cc / 400cc |
Master Link Included | Clip type | Clip/Rivet type | Clip/Rivet type |
Weight/100L | 1,04 Kg | 1,17 Kg | 1,20 Kg |
Application | OFF ROAD (50cc/150cc) / ON ROAD | STREET RIDING - DAILY USE | STREET RIDING - TOURING |
Seal Type |
520XSO2 RX-RING CHAIN
- Tensile Strength: 36.5kN
- Application: 250cc / 800cc
- Master Link Included: Clip/Rivet type
- Weight: 1.56Kg/100L
525XSO RX-RING CHAIN
- Tensile Strength: 37.2kN
- Application: 400cc / 900cc
- Master Link Included: Rivet type
- Weight: 1.87Kg/100L
You may be intrested by:
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 |
530XSOZ1 RX-RING CHAIN
- Tensile Strength: 40.0kN
- Application: 400cc / 1000cc
- Master Link Included: Rivet type
- Weight: 1.98Kg/100L
You may be intrested by:
530GXW | 530XSOZ1 | 530ZXW | |
Tensile Strength | 44.0 Kn | 40.0 Kn | 49,8 Kn |
Application Cyl. | 750cc / 1401cc | 400cc / 1000cc | 750cc / 1401cc |
Master Link Included | Rivet type | Rivet type | Rivet type |
Weight/100L | 2,11 Kg | 1,98 Kg | 2,22 Kg |
Application | SPORTS RIDING - STREET | STREET RIDING - TOURING | EXTREME SUPERBIKE |
Seal Type |
Available in 428/520/525/530
Color Variation
(only for 5 Series)
Main point
- For Street Riding & Touring
- RX seal ring
- Street Use minimum 15 000 km
- Affordable Performance
- Light weight, high strength and durability.
- 2 times longer wearlife than O-Ring Chains