Bicycle Mechanics - How are 'braze-ons' attached?

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jur

09-18-05, 06:38 AM

I am converting a 7-speed to a single speed. The gear cable guides (?) are not welded to the frame, it looks like a brazing or solder job. It's an aluminium frame; can I remove these easily by heating? It's an early 90's Giant cross frame.

HillRider

09-18-05, 09:37 AM

They may be glued on or spot welded. Aluminum usually isn't really brazed or soldered. In either case you stand a good chance of damaging the frame if you use heat to remove them.

A Dremel tool with a cut off wheel or grind stone followed by smoothing with a fine file will work if you are very careful to only cut the fitting, not the frame tubing.