Box Four 8 Speed Wide Rear Derailleur

$68.99 Sale Save
Size Wide Cage
Color Black

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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. 


    Our 8 is Enough Derailleur
    For Light/Medium Terrain
    Limited Slip Clutch™
    Bearing Pulleys

    • B-Knuckle: Die Cast / Aluminum
    • P-Knuckle: Injection Molded / Glass-Nylon Composite
    • Linkages: Die Cast / Aluminum
    • Cage: Stamped / Aluminum
    Finish: Matte Onyx
    Speeds: 8
    • Platform
    • Ebike
    • Non-Ebike
    • Shifter
    • Box Four 8 Speed
    • Derailleur Hanger: Non-Direct Mount
    Weight: 328g/11.5oz

    Box Four 8 Speed Shifter Black
    Box Four 8 Speed 116 Link Chain Natural
    Box Four 8 Speed 11-42T and also 12-42T eBike Cassette Black
    Box Four 8 speed Wide/Narrow Chainring 104BCD 32T Black