Indents On My Handlebars – Is this a fracture?

2024, Jan 31 | Blog

Have you noticed strange dents on the handlebars when removed from the stem? Some bikes show a groove around the clamp-on front mech collar, or seat post clamp pinch on the collar. These can all be causes for concern so let me explain what is going on.

Carbon Handlebars Indents - Is this a fracture ?

Is it only an Impression or something sinister?

We always advise that you regularly take the handlebar off and inspect it for any visible damage. When you are changing cables plus bar tape would be a convenient time.

Stem Set indentation on carbon bike handlebars

Bike manufacturers like any other have to manage delivery pressures. One way to speed up the completion of an order is to prematurely fit carbon components before being fully cured. By the time the bike is shipped the curing should be complete. Of course it is always better to fit these parts when fully cured but suffice to say these depressions are not going to fail as a result. It might be that you will need to retorque just in case.

Have your bike inspected is your best bet

However as a precaution – if your bike has been impacted or you hear a cracking sound after an incident it is important that they are fully inspected to ensure no fractures can hide within these depressions.