Fits bikes using Trek's proprietary Thru-Skew axle system, so a hitch-mounted trailer can attach where the system has no conventional thru-axle to adapt.

Compatibility & fit

Fits bikes with Trek's Thru-Skew axle (a long bolt or skewer with a captive nut in the frame). Works with any hitch-mounted trailer with two wheels and a single point of attachment. Confirm your bike's axle system with Robert Axle Project's Axle Finder, or have the Tune workshop check it.

Robert Axle Project's lifetime warranty covers defects in material and workmanship to the original purchaser, for the lifetime of ownership - it excludes misuse, neglect, improper installation or maintenance, accident damage and normal wear and tear. For warranty support, return the product to Tune Cycles and we'll manage the claim with Robert Axle Project's Australian distributor. This is in addition to your rights under the Australian Consumer Law, so keep your proof of purchase.
  • Fits Trek Thru-Skew axle system
  • Stainless steel
  • Fits any single-point hitch trailer
BrandRobert Axle Project
FitsTrek Thru-Skew axle system
MaterialStainless steel
Weight99g
SKU DTW-RAG-ADA010
Barcode # 602150478366
Brand Robert Axle Project