40% off
Price history at Box Components
Price at Box Components unchanged at $41.39 since Oct 9, 2026. Last checked Nov 9, 2026.
Product Description
The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly. SUPPORT MATERIAL Prime 9 Technology™ View Prime 9 Drivetrain Compatibility Manual How is the Ebike variant different? View Prime 9 Comparison Chart View Prime 9 E-Bike Comparison Chart Why Prime 9? References: Standard Mount vs. Direct Mount Derailleur Hangers
Box Four 8 Speed Wide Rear Derailleur
$41.39
$68.99
40% Discount
You save $27.60
In Stock
at Box Components
Price verified 2d ago
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Product Details
Brand
Box®
Price history at Box Components
Price at Box Components unchanged at $41.39 since Oct 9, 2026. Last checked Nov 9, 2026.
