Renthal RR4 racing chain is a highly specialised lightweight 520 sealed ring chain developed exclusively for Sportbike racing applications where a combination of lightweight and race durability are critical.
Utiilising Self Regulating Seal (SRS™) technology to increase service life. The specially developed Self Regulating Seal (SRS™) ring is preloaded during assembly creating a spring effect.
If you're not sure which racing chain to buy, consider the below chart.
Each 120L chain has been weighed and the data compared with manufacturers tensile strength records and converted to allow easy comparison.
RK offer a useful lower weight chain for the 600cc class. We stock all of the below chains and spare rivet links - if you need a longer chain, please ask.
| Manufacturer |
Model |
Link |
Colour |
Weight (g per 120 Links) |
Strength (Lbs/KN) |
Max cc |
| DID |
ERV7 |
click here |
Gold/Gold |
1873g |
8800lbs/39.14KN |
1000cc |
| RK |
UWR |
Click here
|
Gold/Steel |
1877g |
8363lbs/37.2KN |
1000cc |
| RK |
XRU |
click here |
Gold/Gold |
1880g |
8992lbs/40KN |
1000cc |
| RK |
RUWR |
click here |
|
|
7936lbs/35.3KN |
600cc |
| Tsubaki |
Racing Pro |
click here |
Gold/Gold |
1931g |
8542lbs/38KN |
1000cc |
| Renthal |
RR4
|
click here |
Gold/Steel |
2079g |
8206lbs/36.5KN |
1000cc |
