2007Center Post forum
Marking a carbon fiber center post to prevent it from slipping out completely
19 years old. Gear and prices may have changed since.
What the thread found
- A silver Sharpie marker can be used to mark carbon fiber posts, though the marks will wear away with regular use and require frequent reapplication.
- Paint pens or marker ink on carbon fiber are temporary solutions that will gradually smear and fade during use.
- Etching or scratching carbon fiber creates stress risers that can cause catastrophic failure of the material and should never be attempted.
- Manufacturers avoid marking carbon fiber posts because engraving destroys structural carbon filaments, laser marking still cuts fibers, and silk-screening solutions are expensive and prone to errors.
- Modern carbon fiber post designs are more resistant to surface damage than earlier versions due to improved fiber weaving techniques.
Depends on
- The silver Sharpie solution is confirmed as temporary and requires repeated reapplication.
- The specific reasons manufacturers do not include end-of-travel marks on their products are based on manufacturing complexity rather than oversight.
- Carbon fiber posts with poor construction quality may be more susceptible to damage from marking attempts.
- The exact availability and specifications of silver Sharpie markers vary by region.
Gear in this thread
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