Back seat for cyclists who want to carry a second passenger. Useful for family rides and everyday biking. - Back seat cushion: Leather cushion, easy to assemble and use, sized appropriately for most bicycles. Delivers a comfortable, secure backrest for the passenger. - Accessories: Back cushion compatible with electric bicycles, standard bicycles, and folding bikes. Provides back support for children and family members during rides. - Sturdy back seat: A reliable seat replacement for bicycles such as mountain bikes, road bikes, children's bikes, and home trainers. Includes a backrest for added support and safety. Use scenarios - Family outing: Add a passenger on weekend rides, allowing a parent or guardian to share the ride with a child. - Bike upgrades: Convert an existing mountain, road, or kids bike to a passenger-capable setup without replacing the entire seat. - Indoor/portable use: Use as a backrest seat replacement on home trainers or compatible bikes for added comfort during casual training or commuting.