Non Seal Heavy Duty Chains
RK heavy duty chains are manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability.
RK Heavy Duty chains are all unsing Solid Bush, pre-stressed and pre-stretched for superior performance and minimal elongation during the life of the chain.
428HSB for off-road usage application is up to 150cc.
415HSB NON-SEAL CHAIN
- Tensile Strength: 18.3kN
- Application: 50cc / 110cc
- Max Horse Power: 20HP
- Master Link Included: Clip type
- Weight: 0.7Kg/100L
428HSB NON-SEAL CHAIN
- Tensile Strength: 24.2kN
- Application: 50cc / 200cc
- Max Horse Power: 15HP
- Master Link Included: Clip type
- Weight: 1.04Kg/100L






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| 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 |
520H NON-SEAL CHAIN
- Tensile Strength: 34.3kN
- Application: 125cc / 250cc
- Max Horse Power: 30HP
- Master Link Included: Clip type
- Weight: 1.67Kg/100L
525H NON-SEAL CHAIN
- Tensile Strength: 34.3kN
- Application: 125cc / 250cc
- Max Horse Power: 40HP
- Master Link Included: Clip type
- Weight: 1.74Kg/100L
530H NON-SEAL CHAIN
- Tensile Strength: 34.3kN
- Application: 250cc / 400cc
- Max Horse Power: 40HP
- Master Link Included: Clip type
- Weight: 1.88Kg/100L

Available in 415/428/520/525/530


Main point
- For light displacement CC daily use.
- RK reliable Non-Sealed economical chain
- 4 Rivets side on pin
- Cold Forged Seamless Bush for longer chain life























