BOX Two Prime 9 X-Wide Rear Derailleur
$138.75 USD
/
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BOX Two Prime 9 X-Wide Rear Derailleur
$138.75 USD
/
BOX Two Prime 9 X-Wide Rear Derailleur
$138.75 USD
/
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About this product
The Box Two Prime 9 Rear Derailleur is wallet-friendly and offers a non-adjustable Tri-Pack Clutch, bushing pulleys, and muted finishes. The derailleur is optimized for 11-50t cassettes, and offers durability and performance for the most demanding terrain.
- Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through
- Forged inner and outer cage
- Closed bushing pulleys
- Durable 3-D forged linkages
- Pivot-Tech™ Cable Stay
- The limited slip clutch engages instantly with constant torque for less chain slap, better chain engagement and no dropped chains
- Limited slip clutch is also fully serviceable and a fully adjustable
- Meets durability requirements for E-MTB applications
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Lowest Price, Guaranteed Value
Most in-stock bikes ship within 1–3 business days—get riding sooner.
Talk to our Arizona-based team for product advice, service, or local pickup help.
We price our bikes as low as possible—no hidden markups, no surprises.