Seat post shims

Asked by: Krystle Rabadi

Is it OK to use a seatpost shim?

As far as safe to use – as long as the shim is at least as long as the minimum seat post insertion required for the frame, in theory you are stressing the frame no more than using the correct diameter seat post. Many frames do require 100mm or more, and many seat post shims are not 100mm.

How do you fix a loose seat post?

Quote from video: So what you can do is you can be tightening it down and the just testing the the metal play on the saddle. There as it. Goes. And so there is most the play has gone there.

Can I shorten my seat post?

Cutting your seat post is one of the most effective ways of tearing your seat tube to pieces. Also, if you cut off the bottom, you will have to adjust the max height line by the same amount…that is, you need a certain amount of length in the tube to have the seat post be safe.

How do you install a seatpost wedge?

Quote from video: While you're pushing the wedge down with your thumb. And that'll get it in there and then just I twist the seat post back and forth to just kind of work it down in there to the appropriate height.

How do seat post shims work?

Seatpost shims are short pieces of tubing, usually made of PVC, thin aluminum or steel, used to increase the diameter of a seatpost. Shims have a cutoff which makes them expandable and facilitates the installation process.

How do you fit a seatpost shim?

Quote from video: With this little shim typically you'd slide it over the seat post and then just slide that into your frame. And clamp it just under the seat clamp roughly something like that. I have done this before.

Why does my seatpost keep slipping?

When the clamp bolt is tightened, the frame material flexes slightly (the slot allows this flex to occur) and tightens against the seat post. This, of course, is what holds your post in place. If the clamp can’t tighten enough for some reason, your post will slip under load.

How tight should seat post be?

Senior Retro Guru. If you have the right size post you should not have to crank down the clamp to stop it from slipping – a correctly fitted post will slide smoothly into a greased seat tube with very little effort and should stay put with only a firmly tightened QR.

Should you grease your seatpost?

Greasing your seatpost will prevent problems like this: “Removing Seat Post rusted into downtube”. Don’t use chain oil, grease is what you want. As whatsisname pointed out, all fasteners on your bike should be lightly greased. This is what keeps them from corroding and seizing over time, becoming a real pain to remove.

What is the standard seatpost length?

27.2 mm

The most common size is 27.2 mm (1.07 in) for most bikes, especially for the higher-quality models. BMX bikes commonly use 25.4 seatposts.

How can I make my bike seat shorter?

Quote from video: Getting the proper adjustment on your seat is easy first loosen the seat clamp bolt and ensure that your seat angle is level tighten the bolt. And then move on to adjusting your seat height adjust.

Can I cut seat tube?

Unless it’s a really messy cut or you cut it too short then it’ll be fine. cutting your seat tube on your frame can weaken the frame. its designed to be a certain length for a reason.

Can I shim a dropper post?

Temporary Fix: DIY Seatpost Shim

Can I shim a dropper post?

works fine. In fact, it is better than using a shim with a standard post because she hardly ever has to move it. I’ve not used it on my scott yet but you can get a use 31.6 shim for 34.9 seat tube, but obviously that’s a plastic one.

What is a bike shim?

Bike seat post shims usually consist of steel, aluminum, or PVC. It allows you to increase the diameter of your seat post. This way, you can install a narrow seat post into a broad seat tube. So, in an instance where your new seat post does not fit your seat tube, you need to purchase a shim and use it as an adapter. (