Features: Double compatibility electric bike cable and small port to seamlessly fit both SD50 and SD300 electronic shifting systems for versatile installation. Consist of durability resins through advanced 3D printing technology, this internal routing set maintains structural integrity while showing natural layer pattern. For cycling enthusiasts, professional bike mechanic, and workshop technicians pursues reliability electronic shifting cables management solution. For organizing wire during bike drivetrains upgrades or routine maintenance in garages, bike shops, or craft home repair stations. Each pack contains accuracy engineered guides with scored cutting point, allowing easy customization for clean cable routing in road bike frame and handlebars. Specifications: Color:Three Elections Dimension:95mm/3.74in Component:Resins Package Includes: 20pcs Bicycles Electric Shifts Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.