1 Set of Internal Cable Guide Bike Change Gears Internal Guide : Made of high quality metal and plastic with strong, durable and durable features, it has strength Polymer coated fiber on the sliding reducing side for lighter and faster operation is active on rust main can be used to pull the magnet through the tube Perfect for threading carbon/titanium gear/aluminum bicycle frames including cables, appliances, water equipment and wired change wire In the list of all, in order to maximally check the requirements, as well as how to deal with magnesium inside magnesium, it is very important to store without limiting the loss! - Inner mesh panties Material: metal, plastic; Size: Length 1700mm/66.9 inch contains: 1 set of bicycle cable routing tools