China brushless motor controller for electric bike

{"pid":"14519609","cid":"53343","pimg_url":"\/\/img1.b2bforus.com\/a5\/96\/5fd8f59c215d\/product\/36978745_s-w400xh400.jpg","name":"Controlador el\u00e9trico Brushless Motor Controller 48v 500w da bicicleta de Ebike da onda de seno","company_name":"GZ TOPSHINE TECHNOLOGY LIMITED","attrs":{"Pre\u00e7o":"$20.00\/Pieces 1-499 Pieces","MOQ":"1pcs","Prazo de entrega":"Negotiable","Marca":"Topshine (Support OEM\/ODM)"}}

{"pid":"7498196","cid":"6141","pimg_url":"\/\/img1.b2bforus.com\/ae\/9d\/932b4c2a17e0\/product\/10963369_s-w400xh400.jpg","name":"controlador sem escova do motor da bicicleta el\u00e9trica de 36V 250W 15A","company_name":"HANGZHOU DREAM WHEEL TECHNOLOGY CO.,LTD.","attrs":{"Pre\u00e7o":"USD","MOQ":"10pcs","Prazo de entrega":"20 days","Marca":"DREAM WHEEL"}}

{"pid":"13071707","cid":"34570","pimg_url":"\/\/img1.b2bforus.com\/f8\/4a\/cb8bd537f8b9\/product\/30462466_s-w400xh400.jpg","name":"HOT SALE SINE WAVE Controlador 48v 1500w kit de convers\u00e3o de bicicleta el\u00e9trica velocidade do motor sem escovas 45km\/h","company_name":"Shenzhen UV Nail Lamp Co.,Ltd.","attrs":{"Pre\u00e7o":"$60.00 - $170.00 \/ Set","MOQ":"1 Set\/Sets","Prazo de entrega":"Negotiable"}}

{"pid":"11741175","cid":"40067","pimg_url":"\/\/img1.b2bforus.com\/01\/b6\/0076b2289e03\/product\/23108250_s-w400xh400.jpg","name":"Controlador sem escova inteligente do motor para a bicicleta el\u00e9trica e o \"trotinette\" bonde","company_name":"Changzhou Found Environmental Technology Co., Ltd.","attrs":{"Pre\u00e7o":"8.5-26.5USD\/PCS","MOQ":"1 set","Prazo de entrega":"7-25days","Marca":"FOUND"}}