A Robert Axle Project Kid Trailer thru-axle built specifically for bikes using the NAILD thru-axle system at 12x142mm hub spacing, so you can tow a hitch-mount child, pet or cargo trailer. It includes an M12x1.0 threaded nut to replace the NAILD nut that came with your bike.

Fit & installation

The shaft is CNC-machined 7075 aluminium with a hard black anodised finish; the axle end is stainless steel, threaded M10x1 to take the hitch supplied with your trailer (hitch not included). It installs without special tools.

Compatibility & fit

This axle fits bikes with the NAILD thru-axle system at 12x142mm hub spacing only. Confirm your bike on Robert Axle Project's online Axle Finder (robertaxleproject.com) before ordering, or bring your bike to the Tune Cycles workshop and we'll check fit before installing.

Robert Axle Project warrants its axles to be free from defects in material and workmanship for the lifetime of the original purchaser's ownership, covering manufacturing faults only — not misuse, crashes, incorrect installation or 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.
  • Purpose-built for the NAILD thru-axle system, 12x142mm hub spacing
  • Includes an M12x1.0 threaded nut to replace the stock NAILD nut
  • Stainless steel hitch end, M10x1 thread, for the trailer hitch (hitch not included)
  • Designed and manufactured in the USA, safety-tested to failure
Axle diameter12mm
Hub width142mm (NAILD thru-axle system)
IncludedM12x1.0 threaded nut, replaces the stock NAILD nut
Hitch endStainless steel, M10x1 hitch thread
FitNAILD-equipped bikes, 12x142mm hub spacing only
SKU DTW-RAG-KID217.N
Barcode # 602150473002
Brand Robert Axle Project