Don't shy away from demanding terrain. The BOX One Prime 9 X-Wide rear derailleur offers forged construction for top-of-the-line durability and performance for the most aggressive trails.
- Adjustable Tri-Pack™ Limited Slip Clutch for exceptional chain tension and stability
- Clutch force can be adjusted to give you the ability to tune your setup to the desired balance of shifter feel and chain retention
- Impact-resistant, spring-loaded Pivot-Tech™ cable stay helps keep the cable, housing and you out of harm's way
- Constructed with a forged aluminum cage, 3D forged aluminum linkages and a carbon-nylon composite knuckle for lightweight performance
- Optimized for a 11–50T cassettes
- Designed for use with standard derailleur hangers (not direct mount)
Imported.
View the BOX Prime 9 Product LineView all BOX Rear Derailleurs| Best Use | Mountain Biking |
|---|---|
| Derailleur Type | Rear |
| Cage Length | Long Cage |
| Max Rear Cog Size | 50T |
| Speeds | 9-speed |
| Weight | 290 grams |