Bicicleta eléctrica de montaña 36V 48V 250W motor de buje delantero sin escobillas 16-29 pulgadas 700C
Magnet height (48V): 24H. 1 PCS 250W Front Hub Motor with Rim and Spokes. 1 PCS Thumb Throttle ( can change to twist throttle for free if you buy from China). Front drive open size (mm): 100mm. Construction: Gear drive.