The SUPER73-MZFT brings the A-Series platform into a compact format with a low 27-inch seat height, lockable internal storage, and support for a modular secondary battery. Its rigid aluminum frame, hydraulic brakes, and 16-inch JAKAL tires make it a straightforward choice for riders who want an approachable Class 2 electric bike.Key specifications Top speed: Class 2, 20 mph Range: 15–20 miles with one battery; 35–40 miles with two batteries Charge time: 5–6 hours Battery: 520Wh (52V 10Ah), UL 2271 compliant Motor: 500W nominal Throttle: Thumb throttle Gearing: Single speed Vehicle weight: 85 lb Dimensions: 55.25 × 27 × 38.25 in Rider weight limit: 250 lb Recommended rider height: 4 ft 10 in–5 ft 10 in Seat height: 27 in Frame: Aluminum Suspension: Rigid Brakes: SUPER73 2-piston hydraulic Tires: JAKAL 16 × 4.5 in, front and rear Lights and horn: LED headlight, LED taillight, horn Please note: A modular secondary battery is sold separately. The MZFT seat bucket supports dual 2P batteries only. Range estimates vary with rider weight, speed, temperature, wind, tire pressure, terrain, incline, and other riding conditions. This model is sold in Class 2 mode.