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Rebuild Kit for OneUp V1 dropper Seatpost.
This kit includes all the parts required to rebuild your V1 Dropper Post.
Compatible with V1 Dropper Post ONLY.
We have found that ~95% of posts with slow top out were caused by low air pressure. Please make sure to check this first and do so with the post fully extended. Proper air pressure is 280-300psi at full extension, and the valve is located under the top clamp.
If you are still having slow top out then there is a possibility that the upper white bushing needs replacement. This will be evident by the original bushing being difficult to reinstall after being removed.
To replace the upper bushing follow the steps for greasing and when exposed simply spread the gap by hand and slide it off the upper tube. Once off, put the post in a mid dropped position and install the new upper bushing. The new upper bushing should be easier to reinstall.
The brass keys were put in the same kit as a precaution in case we determined that they wear out over time. To date, we have found no measurable wear on these pieces. As such, we have not had cause to recommend replacing them yet. Warning - replacing the brass keys without proper tools may cause more damage than good and will have no effect of top out.
If you do have proper equipment and expertise the process is as follows: