hollow crankshaft road bike bb

{"cid":"91221106","title":"Gel Padding Womens Road Bike Seat Narrow Bicycle Saddle Hollow Ventilation","imgUrl":"https:\/\/img.chinax.com\/nimg\/cc\/74\/c72b5b79d88a3b0042966629f28a-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"HENGWEI","Model Number":"SD-22","Minimum Order Quantity":"1200","Delivery Time":"10-15","Place of Origin":"HEBEI CHINA","Payment Terms":"T\/T","Supply Ability":"a day 5000","Packaging Details":"60*25*40","Padding":"Gel","Weight":"250g","Color":"Black","Ventilation":"Hollow","Shape":"Narrow","Size":"Medium","Suspension":"Dual","Design":"Ergonomic","Rails":"Titanium","Material":"Leather","Product Type":"Saddle","Gender":"Unisex","Cover":"Waterproof","Compatibility":"Road Bikes"}}

{"cid":"91214930","title":"Aluminum Alloy Mountain Road Cycle Bottom Bracket Bearings BB 386","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/18\/5111b4276f1e39ae08a285fedd33-200x200-1.jpg","attrs":{"Brand Name":"BXT","Model Number":"BXT-BB386","Minimum Order Quantity":"1pcs","Delivery Time":"7-14 days","Place of Origin":"China","Payment Terms":"D\/A, D\/P, L\/C, T\/T","Supply Ability":"500pcs per Month","Product name":"Bicycle Bearing Bottom Bracket","Color":"Black","Keywords":"Bicycle BB","Material":"7075 Alloy Aluminum+PE Hose","Type":"Mountain Road Bike","Size":"86.5mm"}}