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TrailCap MTB -Bar End Caps 3D Printer File Image 1
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TrailCap MTB -Bar End Caps

Dal's Builds avatarDal's Builds

July 18, 2026

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Description

TrailCap MTB – Bar End Caps

Give your bike a clean, custom look with TrailCap MTB Bar End Caps. These 3D-printable bar ends are designed for a secure fit using standard M4 hardware and are available in versions for both carbon and aluminum handlebars.

Features

  • Secure expansion-style mounting
  • Compatible with M4 × 30 mm bolt and M4 nut
  • Separate models for:
    • Carbon handlebars: 17.25 mm inside diameter
    • Aluminum handlebars: 18.5 mm inside diameter
  • Multiple decorative face designs
  • Single-color and multi-color versions included for every design

Included Face Designs

  • Generic
  • Topographic
  • Hex
  • Mountain
  • Sprocket
  • Rotor

Choose a subtle look or add a unique accent to your bike with the face design that best matches your style.

Printing

  • Print the parts in a durable material such as PETG, ABS, ASA, or another filament suitable for outdoor use.
  • Multi-color versions are provided for printers capable of color changes or multi-material printing, while single-color versions print on any machine.

Hardware

  • 1 × Socket Head M4 × 30 mm bolt (per bar end)
  • 1 × M4 nut (per bar end)

Notes

  • Please verify your handlebar's inside diameter before printing to ensure the correct version is used. Slight dimensional differences between manufacturers may require minor print scaling or tuning depending on your printer and filament. 
  • Hardware is not available via maker supply, but any Socket Head M4 x 30mm Screw and Nut will work. These can be found both at local hardware stores or online for cheap.

 

License:

Standard Digital File License

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