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Project Sports

Questions and answers about sports

How to repair / create a CF seat post clamp interface?

5 min read

Asked by: Luis Kvaternik

How do you fix a seat post clamp?


Quote from video: Through reinstalling the new or existing clamp is just as easy remove the bolt slip the cable through the gap and install the clamp.

How do you install a seat post clamp?

Quote from video: Clamp. We press on the new zero to grease you post clamp. You can put it on your bike either way. It's just rider preference align it and reinstall the seat post.

How does a seat post clamp work?

The seat post clamp goes around the top of the tube. 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.

How do you fix a seatpost?

How to fix a slipping seatpost?

  1. Step 1: Remove your seatpost (with saddle) and if possible, the seatpost clamp. …
  2. Step 2: Clean your seatpost, clamp and top of seat tube. …
  3. Step 3: Apply Carbon Assembly Paste. …
  4. Step 4: Install your seatpost.


What size seatpost clamp do I need?

Note: The seat clamp diameter needs to match the diameter of your seat tube rather than your seatpost, which is a little smaller. For example, a 27.2mm seatpost (a size commonly found on road bikes) fits inside a 28.6mm diameter seat tube, so it’s a 28.6mm clamp you need.

How do you use 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.

How do you install a quick release seat post clamp?

Quote from video: This eventually install the seat. Tighten it up a little bit. More. There is your quick-release seat post clamp installation.

Do you grease a seatpost clamp?

Use grease if you have a steel or aluminum seatpost and frame. If either the frame or seatpost is carbon fiber, do not use grease. Oftentimes you can prep your seatpost with carbon paste, as we are doing, but make sure to check with your frame and your seatpost manufacturers’ recommendations prior to applying anything.

Which way does the seat clamp Go?

Most have it facing backwards so it doesn’t interfere with clothing and doesn’t catch on anything while riding. But, with something this small and utilitarian, I think you can put it any way that keeps your seat post from falling and it’s probably OK.

How do you fix a moving bike seat?

Using your finger or a brush, apply a thin coat of new grease to the inside of the seat tube, or the outside of the seatpost. Re-insert the seat post to your preferred height, and clamp it in place. Use standard bicycle grease if your frame and seatpost are both any kind of metal (steel, aluminum, or titanium).

How do you fix a loose seat post on a bike?

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.

What holds a bike seat in place?

1 – Seat collar/clamp: This is a small, circular, metal clamp that is used to hold the seat post in place and prevent the saddle from moving or slipping into the seat tube. 2 – Saddle/Seat: The portion of the bicycle that the rider sits on to pedal a bicycle.

How do you measure for a new seatpost clamp?

Quote from video: Now you can use your caliper set to millimeters to measure the outer diameter of your frame on opposite sides of the sea tube some of these sizes are close like 34.9 millimeter and 36.4 millimeters.

How do I know what size seatpost I have?

To find out the diameter of your seatpost, you must remove the seatpost from the bicycle frame and look for the size, which is stamped just below the “Minimum Insert” line toward the bottom. The number will be a three-digit number (such as 26.8 or 27.2 or 31.6).

Are bike seatposts universal?

Quote from video: Похожие запросы

How do you tighten a bike seat clamp?

Quote from video: They're very easy to adjust you simply start by loosening. The single pinch bolt. And once that is done you can slide the saddle fore and aft changing. Your adjustment.

How do you put a clamp on a bike seat?

Quote from video: First open the seat post quick-release lever or loosen the bolt down on the seat post collar. To apply a small amount of bike grease to the first few inches of the bottom of your seat post.

How do you fix a moving bike seat?

Using your finger or a brush, apply a thin coat of new grease to the inside of the seat tube, or the outside of the seatpost. Re-insert the seat post to your preferred height, and clamp it in place. Use standard bicycle grease if your frame and seatpost are both any kind of metal (steel, aluminum, or titanium).

Why does my bike seat keep coming loose?

The most common reason for a bike seat coming loose is a loose bolt or fitting. This can happen because of dirt and grime building up, because it’s the wrong size post, or because the bolt isn’t tightened enough or has become stripped. If you ride frequently, it’s bound to happen to you too.

Should I tilt my saddle forward?

Saddle adjusted correctly? Your saddle should be at a neutral angle, so you’re sitting on the middle portion, not sliding forwards on the nose or backwards off the rear of the saddle. The best way to achieve this is to use a spirit level.

How do you adjust a 2 bolt seat post?

Quote from video: Remember it's always lefty loosey righty tighty. On something like this. So go ahead and start loosening these up we're going to do it in pairs. Here.