The Robert Axle Project Kid Axle for FOCUS R.A.T bikes - BOOST Sabma They also have seams

They also have seams

/ 140gr (bolt on version)

Not compatible with Shimano HG or Micro Spline cassettes

bolts and washers

protects tyres and rims from impact

The Robert Axle Project Kid Axle for FOCUS R.A.T bikes - BOOST Sabma They also have seams12mm Thru Axles for Kid Trailers & Cargo Trailers Kid trailers provide a great way to share your adventures with those you love. With our 12mm Thru Axles for Kid Trailers, you can attach a Burley Trailer, Thule Trailer or any brand of trailer to any bike with a rear 12mm thru axle mountain, road, fat, cross, e bike and everything in between. Our Kid Trailer Axles are designed for maximum strength and ease of use in attaching your trailer. The Robert