Large Capacity Durable Bike Trunk Bag 13L–25LROCKBROS Large Capacity Durable Bike Trunk Bag The ROCKBROS rear rack bag is designed for practical daily cycling storage. With a size of 352719cm and a weight of about 890g, it balances capacity and portability. The expandable design offers 13L to 25L of storage, ideal for commuting and short rides, with light rain protection for everyday use. Features Expandable storage capacity: This rear rack bag features an expandable structure with a base

EVA Carbon-Texture Embossing:EVA embossed surface with a carbon-style texture enhances durability and premium appearance

Braking System: E-Braking & Drum Brake

quick-dry material disperses heat and sweat efficiently

or only perform well at night

Ideal for winter sports

this system ensures maximum safety and reliability

cycling cap

Max Climbing Capability 5%

and other indoor or outdoor sports

protecting your palms on rough terrain

water-resistant materials

it complements your outfit with a clean