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Jagwire 
Gear adjustment knob Rocket II (x2)
Easily adjust your derailleur tension with the Jagwire Rocket II knob (x2). Compatible Shimano. Make your experience even better.
Description + -
These parts allow you to adjust the tension of the derailleur cable when it slackens.
- Compatible for Shimano.
Additional information + -
| Brand | Jagwire |
| Supplier reference | JA7210 |
| Color | black |
| Color | Black |
| Quantity per product | 2 |