Obsidian Color:Black/Yellow and because it’s a mid-drive

and because it’s a mid-drive it’s also able to utilize the gearing of the bike for either extra torque or extra speed

Max Speed Adjustable Range

Compared to fat-tire bikes

Water Proof Level: IP65

Fine-tune bleeder button to obtain the exact pressure for the ‘ultimate comfort’ on your ride

Obsidian Color:Black/Yellow and because it’s a mid-driveThe Obsidian adopts a unique shock absorption design, so that you will no longer be affected by bumps, and you can easily control various road conditions. At the same time, its electric power assist system allows you to easily climb steep climbing sections, making your travel more relaxed.