Road bikes are usually set up with shifters that allow the rider to trim the front derailleur slightly while the chain is in the middle ring. Learn how to trim front dérailleur gears on your road bicycle with help from a former BMX and collegiate racer in this free bicycle repair video.
Expert: Parker Ramspott
Bio: Parker Ramspott has owned and operated a bicycle store in Amherst, Mass. for over 20 years.
Really good info my understanding of this has just gone up 500% thank you its so simple . As per normal im thinking its so much harder than it is
maidenhead4748 9 months ago
This video explains trimming but does not explain how to perform any actual adjustments to trim.
helexia23 3 years ago