With over 35 years of service on the pro scene dura ace has always been about absolute performance precision engineering and advanced technology none of this has been compromised for the new 7900 series a new benchmark in bicycle components is about to be set the shimano dura ace 7900 road gear cable set with ptfe coated inner wire grey is a complete cable set designed to suit the top of the range dura ace gears fitting new gears or completely overhauling your gear cabling couldnt be easi