Products involved in the recall include the Adams Trail-a-bike and Slipstream products. The products are similar to a child bicycle but without front wheel and a frame that stretches forward. It attaches to an adult bike via a universal hitch coupling device that clamps to the seat post of the lead bicycle to create a tandem. We are including all models produced and sold under the Trail-a-bike and Slipstream brand name between 1996 and 2004. Model names include Starter, Folder, Shifter, Shocker, Ultimate Tandem, Deluxe Folder, Me 2 and Original. Products sold between $125 and $295 retail (USD). All units on the market are potentially affected.