54cm 40c carbon track frameset

{"cid":"91200885","title":"Various Colors T800 Carbon Road Bike Frame , Carbon Track Frameset Thru Axle 142mm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b5\/4c\/bcab26b45df116d889876a858b96-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TWITTER","Model Number":"GRAVEL-V2","Minimum Order Quantity":"1PC","Delivery Time":"7-15 working days","Certification":"CE, RoHS, REACH,ISO9001","Place of Origin":"Shenzhen CHINA","Payment Terms":"T\/T","Supply Ability":"10000pc per month","Packaging Details":"1.Foam plastic packaging,carton packaging outside.2.Size: 105cm*50cm*25cm.two frames into per carton.","Brand":"TWITTER \/ OEM","Model \/ Name":"GRAVEL-V2 Carbon Fiber Frame","Frame Size(Height)":"45cm \/ 48cm \/ 51cm \/ 54cm","Applicable wheel Size":"700*40C","BB":"BB86*46*24mm, pressed"}}

{"cid":"91214930","title":"700*25C Carbon Track Bike Frame Carbon Fiber Toray T800 Carbon Fiber Frame Fixed Gear","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4a\/83\/626e7629c72cdbd48a7e0f9f0094-200x200-1.jpg","attrs":{"Brand Name":"BXT","Model Number":"BXT-TRACK-045","Minimum Order Quantity":"1","Delivery Time":"7-14 days","Place of Origin":"China","Type":"700C Carbon Fixed Gear Bike Frame","Material":"Toray T800 Carbon Fibre","FrameSet Weight":"2100g+\/-100g","Bottom Bracket":"BSA(68mm)","Fit for Headset":"Tapered,1-1\/8(41.8mm) and 1-1\/2(52mm)","Maximum Tire":"700Cx25C","Fit for Wheel Hub":"Front(100x9mm),Rear(120x9mm)","Available Size":"49CM,51CM,54CM,57CM"}}