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BOX Three Prime 9 X-Wide Rear Derailleur
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
- Bearing pulleys
$25.20
Original: $83.99
-70%BOX Three Prime 9 X-Wide Rear Derailleur—
$83.99
$25.20BOX Three Prime 9 X-Wide Rear Derailleur
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
- Bearing pulleys
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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
- Bearing pulleys




















