From the Archives: ISP Done Right and Wrong


Venge in Monterey

Another popular post from our archives and in search, is Mark V’s rant on integrated seat posts.

In the past few years there have been a number of different frame designs on the market that eschew a traditional, round/cylindrical seatpost that inserts into a seat tube. Instead, these frame designs have seat tube structures that extend far beyond the top of the top tube and incorporate some sort of specific fitting to hold the saddle atop. What does an ISP offer? Is it the wave of the future? What should you know before you buy one?

The post is from 2011 and doesn’t include newer aero seatpost designs like what we’re seeing on aero road bikes, including the Venge and Cervelo. My take has always been, whatever value an ISP has is lost for traveling with the bike and they’re not worth it.

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