Yakima Hitch-Mounted Bike Rack Wrench Adapter

Allows you to mount a 3/4" hex bolt to any Yakima SpeedKnob to easily loosen your hitch-mounted bike rack.
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updated May 26, 2024

Description

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This adapter slips over a Yakima SpeedKnob tightening knob, adding a ¾" hex bolt that you can attach a wrench to for greater leverage. Tested and works perfectly on a Yakima RidgeBack hitch bike mount that was firmly stuck in my hitch and wouldn't budge. Will very likely work on any Yakima hitch-mounted bike rack that uses the triangular SpeedKnob tightening system.

Print Settings

The assembly in the pictures was printed at the following settings:

  • Printer: Prusa MK3.5
  • Print Settings
    • 0.6mm nozzle
    • 0.35mm layer height
    • 30% gyroid infill + 5 perimeters
  • Filament: Generic orange PETG
  • Supports: none
  • Brim: none

Print Instructions

  1. No supports are required
    1. Print the triangular cup with the opening facing upwards.
    2. Print the hex bolt facing upwards.
  2. I recommend at least 5 perimeters with a 0.6 nozzle (more with a 0.4 nozzle) as you'll be putting serious torque on this and don't want it to snap.
  3. I recommend using PETG as PLA is likely to shear off when you start twisting.

Assembly Instructions

  1. To assemble this accessory, simply drop the hex bolt into the hole in the triangular housing.
  2. Unlock your Yakima SpeedKnob using your key - it should not spin freely.
  3. Place the tool over your SpeedKnob, attach a ¾" hex socket to it, and use a breaker bar or wrench for enhanced leverage.
  4. PUT ON SAFETY GLASSES AND GO SLOWLY AND CAREFULLY!
  5. Enjoy being able to easily remove your stuck bike rack from your car!

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Model origin

The author marked this model as their own original creation.

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