Enjoy special adventures as a family with the Singletrailer II Sport TT Signature Edition. Combining the tested and trusted capabilities of our classic Singletrailer with a unique “water blue” colorway, our Signature-Edition Singletrailer is equipped with an off-road-ready 24” rear wheel with adjustable suspension, five-point safety harness, roll-over protection and more—compatible with most standard mountain bikes, including those with 29” wheels and dropper seatposts.