What kind of brakes are on the Dubbel, is it mechanical or hydraulic? Destiny August 30, 2022 15:46 Updated The Dubbel, will use ZOOM Hydraulic Brakes and 180mm rotors for improved stopping power. Related articles Can I attach a rear rack child seat or trailer to the Dubbel? How many gears does the Dubbel have? How fast is the Dubbel compared to other current models? Can I take the Dubbel off-road? How much battery range does the Dubbel have?