Customized for adult riders weight and uses this simple & lightweight tow strap works great stand alone with no accessories. It contains a high stretch bungee cord inside an ultra strong hollow webbing. It only weighs 5 oz. & has been designed to keep the strap from dangling to the ground/wheels while adding a very soft feel to the second rider so there is never a harsh jerk at the end. At max length it is 15'/170" and only 4.6'/56" relaxed. This will help you tackle larger rides together with 2 people of differing fitness levels or using an E-Bike pulling a traditional bicycle. Rated One Size Fits All for all riders of any age, size or weight up to 500lbs. HIGHLY recommended is one of our attachment accessories to make connecting faster or using safer such as the Quick Loop, Quick Release or Fast Stem Hook!