A 12mm thru-axle built for Surly MDS and Gnot Boost bikes, so you can attach a hitch-mount child or cargo trailer – Thule, Chariot, Burley, Instep, Carry Freedom and similar – using your existing rear dropout.

Highlights

  • Fits Surly MDS/Gnot Boost 12x142 or 12x148 hub spacing
  • 167mm true shaft length, shortens to 152mm with the included spacers
  • Derailleur end reuses the bolt from your stock Surly axle; disc side has a permanently attached hitch mount, M10x1 thread
  • 7075 aluminium shaft, hard black anodised; stainless steel axle end
  • Installs and removes with a standard 5mm hex key, no special tools

Compatibility & fit

Built specifically for the Surly MDS/Gnot Boost 12x142/148 hub standard. Hitch hardware is included; the trailer hitch itself is not.

Robert Axle Project backs this product with its Lifetime Warranty: free from defects in materials and workmanship, to the original purchaser, for as long as you own it. Normal wear and tear, misuse, neglect, improper installation or maintenance, alteration and accident damage aren't covered. 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.
  • For Surly MDS/Gnot Boost, 12x142 or 12x148
  • 167mm shaft, shortens to 152mm
  • M10x1 hitch thread, hardware included
  • 7075 aluminium, hard black anodised, stainless steel end
BrandRobert Axle Project
TypeKid trailer thru-axle, Surly-specific
Hub fitSurly MDS/Gnot Boost, 12x142 or 12x148
Shaft length167mm (shortens to 152mm with included spacers)
Hitch threadM10x1
Diameter12mm
SKU DTW-RAG-KID218
Barcode # 602150468114
Brand Robert Axle Project