8 7kg 51cm road racing bicycle

{"cid":"91200885","title":"GRAVEL RS 22S Road Racing Bicycle 51cm Frame Hidden Cable For Men And Women","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/eb\/0b\/1f18fb3c0faa309cf6781eedf6b4-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TWITTER","Model Number":"GRAVEL RS-22S","Minimum Order Quantity":"10PC","Delivery Time":"7-15 working days","Certification":"CE RoHS REACH ISO9001","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, D\/A, D\/P, T\/T, Western Union, alipay","Supply Ability":"30000pc per month","Packaging Details":"1.Foam plastic packaging,carton packaging outside.2.Size: 140cm*75cm*20cm.One bike into per carton.3.Container size:290-296pcs into a 40HQ container.120-125pcs into a 20GP container.","Frame Material":"High modulus Carbon Fiber","Size":"45cm \/ 48cm \/ 51cm \/ 54cm","Color":"Red \/ Black \/ BlackRed \/ BlackSilver \/ BlackYellow \/ DarkGray \/ CementGray \/ Blue \/ Yellow, Holographic color(Black \/ Silver \/ Black \/ Yellow)","Finish":"Gloss,UV colorful decals","Process":"XC,EPS,Inner-Cable","Derailleur":"RETROSPEC(SENSAH)-22S","Brake":"Zoom,flat-mount&cable pull Hydr(metal radiator)+PRO float disc 160\/140","Wheels Material":"Alu alloy","Tire":"700*40C"}}