Bikejoring is an outdoor activity with one or a team of dogs that are attached to a towline, to run and pull ahead of a cyclist. This activity has probably developed from sled dog racing and it is considered a form of Dryland Dog Sled Racing. Any breed is good for this sport, but because of the pulling effort, the size of the dog should be appropriate.
In order to safely do bikejoring, we recommend your dog wears one of the following harnesses: Adjustable Racing Harness, Perfect-Fit Harness or Sled Pro Harness. All harnesses are very solid, have comfortable extra padding and are made with non-allergenic and breathable materials. The main differences among them are the fitting style and weight. Generally speaking, all other things being equal, you want the harness to be as light as possible.
The Sled Pro Harness is the lightest (126g / 4.4oz for a Medium size) and therefore most comfortable for the dog and best-performing as a whole, but its design is only meant for Purebred Nordic dogs, like the Siberian Husky or Alaskan Malamute. If you have one of these breeds, that's the model we recommend.
The Perfect-Fit Harness offers the most flexibility in terms of fitting, because of its 8 adjustment points, and is therefore recommended for all breeds, but is also the heaviest of the three (450g / 1lb for a Medium size).
The Adjustable Racing Harness is a compromise between the two. A Medium size weighs 209g (7.4oz) and it has adjustable chest and back sections.