Here are links to all our website information on derailleur gears. There's not a lot up here yet, but more is coming.

• Other members' questions and our answers on this subject, from the Q&A pages of the CTC magazine.



• Here’s a set of gearcharts you can download (.xls 227KB). In addition to standard charts for 27, 26, 24, 20 and 16in wheels, there’s one you can tailor to your exact tyre size.



• Rear Shifting: How to mix and match different types and makes of rear gear mechanism (mech), shift lever (shifter) and sprocket cassette or freewheel.



• Front Shifting: How front mechs work with chainsets and what will work with what else.