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":"Elektrischer Fahrrad-Kontrolleur Brushless Motor Controller 48v 500w Sinus-Welle Ebike","company_name":"GZ TOPSHINE TECHNOLOGY LIMITED","attrs":{"Preis":"$20.00\/Pieces 1-499 Pieces","MOQ":"1pcs","Lieferzeit":"Negotiable","Marke":"Topshine (Support OEM\/ODM)"}}

{"pid":"7498196","cid":"6141","pimg_url":"\/\/img1.b2bforus.com\/ae\/9d\/932b4c2a17e0\/product\/10963369_s-w400xh400.jpg","name":"elektrisches Fahrrad-schwanzloser Bewegungspr\u00fcfer 36V 250W 15A","company_name":"HANGZHOU DREAM WHEEL TECHNOLOGY CO.,LTD.","attrs":{"Preis":"USD","MOQ":"10pcs","Lieferzeit":"20 days","Marke":"DREAM WHEEL"}}

{"pid":"13071707","cid":"34570","pimg_url":"\/\/img1.b2bforus.com\/f8\/4a\/cb8bd537f8b9\/product\/30462466_s-w400xh400.jpg","name":"HOT SALE SINE WAVE Controller 48v 1500w E-Bike Umbaukasten B\u00fcrstenloser Motor Geschwindigkeit 45km\/h","company_name":"Shenzhen UV Nail Lamp Co.,Ltd.","attrs":{"Preis":"$60.00 - $170.00 \/ Set","MOQ":"1 Set\/Sets","Lieferzeit":"Negotiable"}}

{"pid":"11741175","cid":"40067","pimg_url":"\/\/img1.b2bforus.com\/01\/b6\/0076b2289e03\/product\/23108250_s-w400xh400.jpg","name":"Intelligenter schwanzloser Bewegungspr\u00fcfer f\u00fcr elektrisches Fahrrad und elektrischen Roller","company_name":"Changzhou Found Environmental Technology Co., Ltd.","attrs":{"Preis":"8.5-26.5USD\/PCS","MOQ":"1 set","Lieferzeit":"7-25days","Marke":"FOUND"}}