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29ers Forever
2021 Rocky Mountain Altitude A70
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3,433 Posts
Discussion Starter · #1 ·
The snow has finally melted and I have been out around my house trying to dial in the fit of my new bike, but I feel like the seatpost is a tiny bit too tall in the frame for my liking.
On my '16 Instinct 950 I bought a 125mm post for a large frame, as I have short legs and a longer torso, so my seatpost was almost fully in the frame even though I am 5'10".
With my new bike, I bought a medium, as it has the same reach as my old large, but with a 150mm dropper post and a shorter seattube. Even though my legs aren't fully extended, I feel like I am on a bike that's too tall and my legs are too stretched out. I tried lowering the seatpost, but found that I couldn't lower it anymore, and there was at least an inch or more of exposed seatpost above the frame.

Has anyone else had this issue? I always used to run my saddle a little low, so maybe I will get used to the stretched out feeling, but on technical climbs I worry I will bend my knees backwards and I won't have enough power to clear obstacles.
This brings up my second question, is it okay for the post to be ridden on without being fully extended?
I know there is a pin that supports the post when it is all the way up, but I worry that if I don't like it, I will ride it 99% of the way up, and will cause something internal to break.
 

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hi, the ream depth on that size frame should be 235mm. if you can't insert that much post, you may want to have your front triangle checked.

A
 

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29ers Forever
2021 Rocky Mountain Altitude A70
Joined
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3,433 Posts
Discussion Starter · #3 ·
hi, the ream depth on that size frame should be 235mm. if you can't insert that much post, you may want to have your front triangle checked.

A
I think I know what happened. I loosened the clamp but for some reason I had to push harder and twist the seatpost more to get it to go down further. It just probably wasn't ever pushed into the frame that far so it wasn't lubricated properly.
I lowered the seatpost a tad and the bike feels better than ever.

Thank you for your response though!
 
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