USD $‎24.99

Box One Shifter Clamp 31.8mm

FEATURES
  • • 2 Piece Hinged Design
  • • Fits 31.8 Drop Bars
  • • Matte Onyx™ Finish
  • • Fits All Box Shifters

  • SPECIFICATIONS
    Hardware1215 Steel
    Material Aluminum
    CompatibilityWorks with 7, 9 and 11 Speed Systems
    Weight22g/0.77oz
    SKU: BX-SH1-CA318-BK
    Prime 9™ Technology offers a range of shifter clamps and accessories to convenience everyday riders. Cross compatible with simple and clean setups such as the Sram™ Matchmaker and Shimano™ I-Spec II brakes, Prime 9 accessories by Box are designed to convert any Box shifter to work with modern drop-handlebars or mount directly to your existing brakes.

    The Box One 31.8 shifter clamp is an accessory that converts any Box™ shifter to be compatible with modern drop-handlebars found on gravel, cyclocross, and commuter bikes. While these bikes traditionally come with clutchless 2 by drive-trains, the addition of this clamp makes the conversion to a more user-friendly and durable Prime 9 drive-train affordable and simple.

    Note: Does not include shifter or brakes.



  • • Box One™ 9S Shifter
  • • Box Two™ 9S Shifter
  • • Box Three™ 9S Shifter
  • • Box Four™ 8S Shifter
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