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Blackburn Trainer and Trailer Axle Adapter


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  • Black, 1.5mm
  • Black, 1.75mm

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Trainer and Trailer Axle Adapter

Blackburn's Trainer and Trailer Axle Adapter conversion kit replaces the original thru-axles on many disc brake bikes allowing you to use your bike on a trainer. This kit also allows you to install the Copilot trailer hitch on your thru-axle bike as well. Works on most bikes with 1.5 or 1.75mm thread pitches, and hub widths between 135-148mm.

Choose thread pitch 1.75mm for Rock Shox Maxle style thru-axles and the 1.5mm version for Shimano and DT Swiss E-Thru.

  • Thru-axle adapters for trainer and trailer use
  • Works with dropout spacing between 135-148mm
  • 1.5 or 1.75mm thread pitches to match original thru-axles
  • Item #BLB003X

1.5, 1.75mm thread pitch
rear thru-axles
Recommended Use
trainers, trailers
Manufacturer Warranty

Tech Specs

What do you think about this product?


>Rating: 5

Works perfect

I've put it through the wringer

This adapter has been perfect!! I use this to pull a chariot brand trailer on a few different thrh axle bikes. What I love about it the mot is that 1 skewer is working for both thread pitches! I’ve used it on and off road and into rough single track — never let down. I also used it on my trainer over the winter.