Rear Derailleurs
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Drivetrain Speed
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BOX Four Rear Derailleur - 8-Speed, Medium Cage, Black
Regular price
$68.99
Sale price
$68.99
Regular price
$68.99
Unit price
/per
The BOX Four Rear Derailleur is an affordable clutch-based 1x8-speed derailleur that is both simple and lightweight.
Engineered with BOX's "8 is Enough" drivetrain philosophy
Compatible with standa...
BOX One Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Black
Regular price
$165.74
Sale price
$165.74
Regular price
$194.99
Unit price
/per
The Box One Prime 9 Rear Derailleur takes the advantage of BOX's legacy 9-speed drivetrain but adds the advancements of a modern 1x; a fully adjustable Tri-Pack(TM) Clutch, and an x-wide cage optim...
BOX Two Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Onyx
Regular price
$121.99
Sale price
$121.99
Regular price
$141.99
Unit price
/per
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...
BOX Three Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Black
Regular price
$83.99
Sale price
$83.99
Regular price
$83.99
Unit price
/per
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 ...