DIY Self-Leveling Bike Light Mount

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About: Autistic person who's interests include in utility cycling, recreational cycling, cycling safety, electronics, gardening, Arduino, and LEDs.

To get the most out of helmet lights, they should be leveled by direct their beams towards drivers. This Instructable will show you how to build a self-leveling mount which is compatible with Portland Design Works, Cygolite, and Planet Bike tail lights. You can also install this mount to panniers and backpacks or attach a camera to it. The bike light I used is the PDW Danger Zone Rear Light.

Step 1: Materials

  • 2 - plastic strips
  • 1 - 2" #6-32 bolt
  • 4 - #6 flat washers
  • 12 - #6-32 nuts
  • Cable ties
  • Angle bracket
  • Tail light

Step 2: Drill Plastic Strips

Drill the strips for the cable ties and the bolt.

Step 3: Attach Angle Bracket to the Clip of the Light

Make sure there is enough space for removing the batteries or accessing the button.

Step 4: Attach the Angle Bracket to a Plastic Strip

Step 5: Attach Both Cable Ties With a Bolt

You will need to use the nuts and washers in this step. To lock the nuts in place, tighten them in opposite directions with two pliers. This will form a hinge. Test to make sure that gravity will level the light.

Update: Four nuts were added in the center to stabilize it.

Step 6: Attach the Mount to the Helmet

Make sure that the light has a full range of motion. If not, you can trim the mount.

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