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This one takes me back to the early 90s and elastomer sprung(?) forks ...
I recently purchased a USE Vybe seatpost with a hard elastomer set up.
I've played with the preload but I'm still getting a proper top out thunk.
Despite being towards the **cough** top end **cough** of the hard weight category I'm not getting a huge amount of movement* and with the more preload wound in the travel is becoming more on/off.
What am I going wrong?
I used an original USE suspension post BITD and don't recall such issues.
* I appreciate that it only needs to move a small amount to make a noticeable difference.
i doubt the internals are complex enough to avoid top out thunking - you need either a negative spring or decent rebound damping and from memory the internals of a use seatpost is just a basic elastomer?
@5lab - You are bang on - there are a couple of elastomers and a spring:
I'm just surprised that it doesn't appear mentioned in any reviews - which makes me think its me 🙁