Author Topic: changing out seat post on a rad expand 5  (Read 125 times)


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changing out seat post on a rad expand 5
« on: September 16, 2022, 09:21:19 AM »
So I have the opposite problem that most rider have, I'm short (5'1") and I want to know first the diameter of the seat post to see if I can get a lay-back post where the seat is positioned back. ,  I can still reach the ground when stopped but  have a better pedal stroke for riding.  Because I have the rad basket on, I only have about an inch to work with but feel it will give me the distance for better knee expansion.


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Re: changing out seat post on a rad expand 5
« Reply #1 on: September 16, 2022, 01:24:25 PM »
My MiniST2's seatpost diameter is 27.2mm, which I believe is the same for all Rad bikes including yours. 

I replaced the factory unit with a Redshift suspension post, which I love and has a pretty good fore/aft range on the rails.  It's 350mm long and fits these frames very well.
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