The SUPER73-B1G is sized for taller riders, with a 33-inch seat height and a longer aluminum frame. Its Class 2 drive system, hydraulic brakes, wide BDGR tires, lockable internal storage, and modular second-battery compatibility make it a practical everyday option with a roomier fit.Key specifications Top speed: Class 2, 20 mph Range: 20 miles with one 520Wh battery; 40 miles with two 520Wh batteries Charge time: 5–6 hours Battery: 520Wh (52V 10Ah), UL 2271 compliant Motor: 500W nominal Throttle: Thumb throttle Gearing: Single speed Vehicle weight: 90 lb Dimensions: 70 × 28.5 × 43.75 in Rider weight limit: 250 lb Recommended rider height: 5 ft 9 in–6 ft 8 in Seat height: 33 in Frame: Aluminum Suspension: Rigid Brakes: SUPER73 2-piston hydraulic Tires: BDGR, 4.5 in front / 5 in rear Inner tubes: 20 × 4.5 in Lights and horn: LED headlight, LED taillight, horn Please note: A modular secondary battery is sold separately. 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.