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Exposure Adapter for Specialized Saddle — image 1
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Exposure Adapter for Specialized Saddle

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Adapter to mount an Exposure TRACER rear light on the brass inserts on a Specialized Saddle

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This is an adapter to mount the Exposure rear light on a Specialized saddle using the SWAT™ brass mounts.

It keeps the light higher than mounting on the seatpost and is probable more aerodynamic.  I mounted it on a Specialized Power Pro saddle.

I suggest printing in Polycarbonate or Nylon.  I have tried Taulman Alloy 910 Nylon and Prusament PC Blend.  

I suggest print with with 4 perimeters and 70% infill for strength.

Additional parts required:

  1. Blue Loctite thread lock.
  2. 2x stainless steel M5 x 12 pan head hex bolts.

I tried it with PC Blend Carbon Fibre but it was very stiff making it hard to clip / unclip the light.  The Taulman Alloy 910 Nylon is more flexible and PC Blend is in between.

I have provided the gcode for PC Blend.  

I’ve added a new version which I modified for use with Polymaker CoPA which is rigid Nylon.  The circular clip is thicker with a wider opening to reduce fatigue when clipping the light in when it is cold.  See the new cover photo.
 
 

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