Shimano road gear cable set with ptfe coated inner the shimano road gear cable set with ptfe coated inner is a safe and secure gear cable set and there are many benefits to be had by changing over and installing a brand new set of cables to your bike keeping a well maintained set of cables means that your bike is reliable and can give you security and peace of mind as youll be safe in the knowledge that itll perform to professional standards th key features complete top of the ran