Saddle rail size/dimension

Discuss light weight issues concerning road bikes & parts.
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survivor
Posts: 151
Joined: Tue Apr 28, 2015 5:08 pm

by survivor

I need some help from our kind forumers on a side project that I am currently working on.

Can you help to measure your saddle rail size/dimension and let me know what model of saddle that you have please? I tried to google around but this information is scarce. The only ones I found is Fizik saddles which stated their carbon saddle rail is 7mm x 9mm and their K:ium saddle rail is 7mm (round diameter).

Appreciate all your help!

by Weenie


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kgt
Posts: 6777
Joined: Sun Jun 18, 2006 10:29 am
Location: Athens, Greece

by kgt

Many saddle manufacturers have info about their saddle rails dimensions online. Usually it is 7x9 or 7x7

antonioiglesius
Posts: 247
Joined: Sat Oct 15, 2016 9:08 pm

by antonioiglesius

I agree with kgt. All the recent models' rail dimensions should be stated on the manufacturers' websites, it would be much quicker to get a bunch of information there. Metal rails are typically round 7mm, Specialized carbon rails are 7x9, while Trek carbon rails are 7x10. For older saddles no longer in production, it would be tougher to get the info. It might depend on what the project's about.

survivor
Posts: 151
Joined: Tue Apr 28, 2015 5:08 pm

by survivor

Thanks for the feedback. I tried to look it up on Specialized website yesterday but did not find the information. I did find the information on Bontrager and Prologo websites. I will dig further.

MXGimp
Posts: 21
Joined: Wed Feb 15, 2017 7:26 pm

by MXGimp

Specialized lists it for their saddles if its not 7x7 round at the bottom of the page.

Example:
Ultra-light, strong, and oversized FACT carbon rails.
NOTE: Oversized 7x9mm carbon rails are not compatible with seatposts equipped with side-load clamp mechanisms for 7mm round rails.

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