- Light weight+ Durable:Full CNC made Aluminum Adjuster + Stainless Spring.
- In-line cable tension adjusters: Makes on-the-fly derailleur adjustments easy for frames without downtube adjuster stops.
- Indexed Function: fine-tuning allows you to feel each "click" of adjustment and lock the adjust prevents loosening from vibration
- recommend to using on shifter cable only
- Sell as Pair (2 pcs) per pack