Black Scale chain kit 900cc engine
Product information "Black Scale chain kit 900cc engine"
RK Black Scale chain set complete for all models 900cc engines with 520 chain.
See table below for standard motorbike ratios.
ATTENTION: For Euro 5 vehicles, the control unit must be reprogrammed if the gear ratio is changed. This requires the OBD Bluetotth adapter + the Tune ECU programme (the Bluetotth adapters can be found under accessories in this description).
Please check beforehand in the Tune ECU programme whether it is possible to set your desired gear ratio (not every gear ratio is possible on all models)
RK Black Scale 520 chain set.
Perhaps the most elegant chain available on the motorbike market. Black plates and golden rivets as well as rollers from the premium manufacturer RK Chaines.
The chain kit is supplied with a rivet lock.
The kit includes a very high quality RK chain, a chainring (either a black steel chainring or a stealth chainring in gold / black) and a chain sprocket.
A little further down in the description, you have to add your desired sprockets to the set.
A rivet lock is also included in the scope of delivery.
Tip:
- To be on the safe side, we recommend ordering a new sprocket locking plate with the chain set (see accessories article in this description).
- You will also find beautiful black chainring nuts in the accessories for those who want a completely black colour.
Standard gear ratio
| Model | Chainring | Sprocket |
| Bonneville T100 | 41 teeth | 17 teeth |
| StreetTwin | 41 teeth | 17 teeth |
| StreetScrambler | 41 teeth | 17 teeth |
| StreetCup | 41 teeth | 17 teeth |
As the standard gear ratio is too long, we recommend using the larger 44 chainring and reducing the bike's gear ratio slightly. This makes the bike push harder at the bottom, but still doesn't sacrifice top speed.
About the RK chain:
RK has been supplying all well-known Japanese motorbike manufacturers as original equipment for more than 40 years.
RK is also the first choice of many racing teams in MotoGP, motocross and the Paris-Dakar Rally.
The Black Scale is an improved form of the O-ring chains. The special shape of the X-rings seals the chain at four sealing points, preventing the lubricant from escaping.
The X-ring also serves as an additional lubricant reservoir. The service life of the chain is extended by around 30 %.
| Triumph LC models from 2016: |
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| Triumph LC ab 2016 |
Bonneville T100 EU 4
Bonneville T100 EU 5
Bonneville T100 EU 5 +
Street Cup
Street Scrambler / Scrambler 900 EU 4
Street Scrambler / Scrambler 900 EU 5 - Street Scrambler / Scrambler 900
Street Scrambler / Scrambler 900 EU5 +
Street Twin / Speed Twin 900 EU 4
Street Twin / Speed Twin 900 EU 5 - Street Twin / Speed Twin 900
Street Twin / Speed Twin 900 EU5 +
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Accessories
