Dec. 17th is the last day to get your order by Dec. 24th
BOX Three Prime 9 Rear Derailleur Features
The Box Three Prime 9 Rear Derailleur is a simple, but fully-featured and wallet-friendly rear derailleur. It includes a limited slip clutch, sealed bearing pulleys and a solid construction. It is compatible with 11-46 and 11-50t cassettes making it one of the most versatile derailleur offerings for Prime 9 drivetrains.- The Box Three Prime 9 Rear Derailleur is a simple, but fully-featured and wallet-friendly rear derailleur. It includes a limited slip clutch, sealed bearing pulleys and a solid construction. It is compatible with 11-46 and 11-50t cassettes making it one of the most versatile derailleur offerings for Prime 9 drivetrains.
- Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through
- The limited slip clutch engages instantly and offers constant torque for less chain slap, better chain engagement and no dropped chains
- Stamped front and rear cage
- Direct channel cable stay
Product Specifications
Product Specifications
Cage Length |
Long |
Chain Wrap Capacity (teeth) |
39 |
Color |
Matte Black |
Designed for ebike |
Yes |
Drivetrain Speeds |
9 |
keyword search |
Markdown Market |
Largest Cog |
50 |
Rear Der/Shifter Compatibility |
BOX Prime 9 |
Rear Derailleur Mount Type |
10x1 Standard |
Weight |
349 |
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