Mini Ingranaggio Conversione E-bike 250W Mozzo Motore 25 Km/h 29inch 48V 135mm Dropout
Light weight 250w Hub Motor 25km/h 29" Electric Bicycle 48v 135mm Dropout Rear Drive Version MINI Double Gear Ebike Motor For E Bike Conversion. Dropout: 135mm. Reduction Ratio: 1:5.87. Max speed: 25KM/H (version 1 with 29" rim).