RENEW's products may have some dust. Please note that the product has been tested and is 100% OK. 48 V 1000 W super power Brushless Gearless Hub Motor with Average Speed: 22 Mph28 Mph (3545 km/h). Restricted to 750 W and 24 mph by default as a road-legal kit. 8 Point Crank speed sensor for pedal assist, can allow you to works with all pedals, including Speedplay and Eggbeaters.
Aluminum Alloy Double Wall Rim, with 12 G × 2.6 mm Carbon Steel Spoke. Rare-earth metal magnet are used in the motor to efficiently produce large power.Dual Mode Controller, Motor works under Hall effect and non-Hall effect, extend life for electric bicycle. If the components break down, controller will switch into non-hall effect mode, the motor will still be working. The 1000 W system requires a 48 Volt battery with a capacity not less than 11.6 AH or 52 Volt battery with a capacity not less than 13 AH. (If you chasing a higher speed). Frame Diameter: 22.56 (57.3 cm). Suitable for 26 Bicycle Wheel. Frame Width: 0.94 (2.4 cm). Tire Recommendation: 26" x 1.95"2.125 Tires. Motor Diameter: 9.84 (25 cm). Motor width: 1.18 (3 cm). The 27 mm high magnetic steel provide high stability of motor power.
Dropout: 5.31 (13.5 cm). M14 bolt size of axle. 1 x Rear Hub Motor Wheel.1 x Twist Throttle & Handle Bar. 1 x Pair of brake levers. 1 x Pedal Assist Sensor.