Coupled with a 36V 13Ah lithium-ion removable battery

Navigate parks

allowing you to go farther with less effort

you can easily shift gears to adapt to various riding conditions

aerodynamic design ensures it won’t interfere with your pedaling

rockbros hard shell bicycle bag mtb road bike bag carbon pattern waterproof top tube bag cycling saddle bag 1 5l high capacity Hydraulic Brake Oil Brake Coupled with a 36V 13AhSPECIFICATIONS Origin: Mainland China Model Number: B67 Material: nylon Function: Rainproof Brand Name: ROCKBROS Product Details Brand: ROCKBROS Material: 210D Inner Fabric + Weight: B66: About 245g (Single zipper) B67: About 300g (Double zippers) Waterproof: Prevent Splash Water Product Features 1. Hard shell material, not easy to deform 2. Waterproof 3. Reflective logo 4. Easy to install 5. Layered storage design 6. Narrow side design, you will not