Casstaly Foldable Bicycles Frame Handle Carrier Lightweight foldable design: 250g weight with reinforced nylon construction for durability and easy portability. Comfortable, even weight distribution: wide shoulder straps and an ergonomic grip reduce fatigue and enable simple installation on road bikes, mountain bikes, and foldable models. load capacity: supports up to 30kg, allowing secure transport of bikes and scooters. Versatile compatibility: designed for road bikes, mountain bikes, and foldable bike frames; suitable for transporting related equipment as needed. Compact and practical: folds for compact storage in apartments, car trunks, or on the go during travel. Solid for a range of users: ideal for commuters, cycling families carrying child seats, and adventure riders who need reliable equipment transport during outdoor excursions. Use scenarios: Urban commuting and transit: attach to a bike for easy transport between destinations, and store conveniently in small living spaces or during train transfers. Family outings: carry bikes and related gear on day trips or cycling excursions, including scenarios where child seats are involved. Outdoor adventures: reliably transport bikes or scooters between vehicles or campsites during long rides or weekend trips.