Bicycle Mechanics - Stems for carbon bars?
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05-03-08, 11:26 AM
Is it necessary to run a special stem with carbon bars? I run carbon bars on my Rockhopper. I want to replace the current stem with one having a 45-degree rise. My LBS had one such stem in stock. I believe the brand is "Dimension". There is no indication on that stem that it is compatible with carbon bars. The stem looks low-end: it looks cast, rather than machined. Does it matter that the stem does not say that it is specifically compatible with carbon bars?
I don't think it matters, but if it's a cheap stem you'll probably want to make sure there aren't any burrs or sharp edges in the inside of the clamp.
05-03-08, 10:08 PM
Nope. Stem's a stem.
05-04-08, 09:35 AM
Just be sure to use the torque spec the BAR manufacturer recommends for the type of stem (two-bolt or four-bolt faceplate) you are going to use. The torque spec engraved on most stems is generally intended for Al bars.
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