Robert Axle Project Bike Trailer axle nut adaptor for solid axles e-bike M12x1.25

Robert Axle Project’s M12x1.25 adapter for Kid Trailers and Cargo Trailers are designed specifically to fit your Rad Power bike or Mahle/EBIKEMOTION Equipped E-Bikes. It allows attachment of any hitch-mounted trailer. These Hitch Adapters fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more.

This adaptor threads onto any rear axle, with a thread pitch or M12 x 1.25mm. This is the most common rear axle sized found on hub motor ebikes with slotted axles. Retain your anti turn washers and thread this in lieu of the axle nut. 

Purchase our Rad Power Bikes Hitch Adapter for your bike. Share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure.