This as the name implies is a band which clamps around the seat tube of the frame.
What does braze on front derailleur mean.
There are two types of road front mech mounting.
There are two band sizes 31 8mm or 34 9mm so check current model or frame manufacturer s recommendations.
This avoids any clamp size issues but requires either a frame with the appropriate braze on or an adapter clamp that simulates a braze on derailleur tab.
All that means is that there is a bracket on the frame to bolt the front derailleur to rather than having a clamp around the seat tube.
You can purchase clamps to convert a braze on style derailleur into a clamp mounted derailleur.
Braze on an alternative to the clamp is the braze on derailleur hanger where the derailleur is mounted by bolting a tab on the derailleur to a corresponding tab on the frame s seat tube.
Band or braze on.
There are really only two types of.