Do you know anything about this motor?
http://www.ebay.com/itm/BIG-POWER-E-BIKE-BRUSHLESS-MOTOR-REAL-1000W-48V-REAR-MOTEUR-ARRIERE-/160892099796?pt=FR_JG_Sports_Cyclisme_&hash=item2575ea9cd4
http://electra-bike.fr/index.php?module=produit&prd_id=127&url_retour=http%253A%252F%252Felectra-bike.fr%253A80%252Findex.php%253Fmodule%253Dcategorie%2526code_cat%253D26%2526page_start_num%253D1
http://www.ebay.com/itm/BIG-POWER-E-BIKE-BRUSHLESS-MOTOR-REAL-1000W-48V-REAR-MOTEUR-ARRIERE-/160892099796?pt=FR_JG_Sports_Cyclisme_&hash=item2575ea9cd4
http://electra-bike.fr/index.php?module=produit&prd_id=127&url_retour=http%253A%252F%252Felectra-bike.fr%253A80%252Findex.php%253Fmodule%253Dcategorie%2526code_cat%253D26%2526page_start_num%253D1