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Technical FAQ: Seatpost for titanium frame

  • By Lennard Zinn
  • Published Oct. 12, 2002
  • Updated Nov. 24, 2009 at 11:16 AM EST

Lennard,

I am buying a new titanium frame, and I would like to know what is the best material for a seatpost, considering any corrosive action between the post and the frame. I’ve heard that carbon posts slip because the frame collars don’t grip them as well.

- Frank

Aluminum or titanium. Corrosive action is not likely to be a problem with a titanium frame — certainly not like it can be with steel or aluminum. Although they are more prone to slip down, slippage is often not a problem with carbon posts, but it is a bummer if it happens to you. Campy has a special angled-bolt clamp that is designed to hold a carbon post better.

-Lennard

FILED UNDER: Bikes and Tech / Technical FAQ TAGS: / / / / /

Lennard Zinn

Lennard Zinn

Our longtime technical writer joined VeloNews in 1987. He is also a framebuilder, a former U.S. National Team rider, and author of many bicycle books, including Zinn and the Art of Mountain Bike Maintenance and Zinn and the Art of Road Bike Maintenance, as well as Zinn and the Art of Triathlon Bikes and Zinn's Cycling Primer: Maintenance Tips and Skill Building for Cyclists. He holds a Bachelor’s degree in physics from Colorado College. Readers can send brief technical questions to Ask LZ.

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