Prime 9 Technology for less derailleur travel and better chainline. Less wear and improved lifespan
Box One features: Adjustable Tri-Pack limited slip clutch, forged inner and outer cage, Pivot-Tech cable stay, sealed bearing pulleys and 3D forged linkages
Box Two features: Tri-Pack limited slip clutch, forged inner and outer cage, Pivot-Tech cable stay, sealed bushing pulleys and 3D forged linkages
Box Three features: Limited Slip Clutch, stamped front/rear cage, direct channel cable stay and bearing pulleys
Box Four features: 8 speed with Prime 9 technology and the same construction as Box Three
Limited Lifetime Warranty
3rd party web sales must be an Authorized Dealer
| model |
Box One Prime 9 |
| speed |
9sp |
| cage |
X-wide |
| min/max |
11/50t |
| weight |
290g |
| color |
black |
