50nm torque portable e bike

{"cid":"91221209","title":"700C K-193 Electric Road Bike Carbon Fiber Frame 4 Piston Hydraulic Disc Brake Fixed Gear Derailleur","imgUrl":"https:\/\/img.ismap.com\/nimg\/28\/cf\/8963963a6fc6341c3f4421d91beb-200x200-1.jpg","attrs":{"Brand Name":"Thunder Electric Bike","Place of Origin":"zhejiang","Type":"Kenda, 700C K-193","Charging Time":">3 Hours","Wheel Size":"700C","Brake":"4 Piston Hydraulic Disc Brake","Display":"LCD Display","Warranty":"2 Years","Frame Material":"Carbon Fiber","Derailleur":"Fixed Gear"}}