Seat

[bluerider]

First, your bike seems to have a poorly designed seatpost or its failing. Buy a new post. I strongly recommend a Thomson. They are expensive but its will be the last post you will buy. I have used mine of a couple of bikes now. Great adjustability, strong, and light.

Second, the falling seatpost may solved by a new seatpost as well. However, make sure the seatpost clamp is torqued to spec. Before doing so, buy some friction paste from your local bike shop (also known as carbon paste). It will help create friction between the seatpost and seatpost tube. Reinsert and torque clamp to spec. Done.

[RESTONTODC]

@rcannon100 22881 wrote:

The seat itself is fine. Comfortable; functional. But mechanically there are two problems that are driving me crazy. I adjusted the tilt to the seat, following some online recommendations, so that it has a slight tilt forward. Ratcheted it down good…. now the clamp thing that holds the tilt will not hold. No matter how much I tighten it down, inevitably !POP! and all of a sudden the seat is tilting backwards.

I was experiencing the same issue two years ago and didn’t want to spend too much money for a new seatpost. When the seat was tilting backwards, it hurts by private part badly. I found out that my Allen head screw under seat was damaged. I bought a new machine Hex bolt with same size from Ace Hardware for 65 cent. I used a long Sears machine wrench to tight it down. I haven’t moved since then. You don’t want to try it if you have carbon seatpost.

Ace Hardware is the best for screws and bolt. The limit screw of my front derailleur also came off too. The bike shop told me it costs $80 to replace the derailleur because the manufacturer doesn’t sell the screw. A 30 cents screw from Ace fixed it as well.

[bluerider]

@RESTONTODC 22898 wrote:

I was experiencing the same issue two years ago and didn’t want to spend too much money for a new seatpost. When the seat was tilting backwards, it hurts by private part badly. I found out that my Allen head screw under seat was damaged. I bought a new machine Hex bolt with same size from Ace Hardware for 65 cent. I used a long Sears machine wrench to tight it down. I haven’t moved since then. You don’t want to try it if you have carbon seatpost.

Ace Hardware is the best for screws and bolt. The limit screw of my front derailleur also came off too. The bike shop told me it costs $80 to replace the derailleur because the manufacturer doesn’t sell the screw. A 30 cents screw from Ace fixed it as well.

Great recommendation!!!!! However, I have had a seatpost completely fail on me at the seat mount exposing my man parts to the sharp end of the post. Once a seatpost starts doing what the OPs is doing, there is no way I would ever ride it again. I just wouldn’t trust it. Thats just me and my gentlemen sausage talking though.

[KelOnWheels]

@bluerider 22886 wrote:

Before doing so, buy some friction paste from your local bike shop (also known as carbon paste). It will help create friction between the seatpost and seatpost tube. Reinsert and torque clamp to spec. Done.

Isn’t that what trail dirt is for?

[RESTONTODC]

@bluerider 22904 wrote:

Great recommendation!!!!! However, I have had a seatpost completely fail on me at the seat mount exposing my man parts to the sharp end of the post. Once a seatpost starts doing what the OPs is doing, there is no way I would ever ride it again. I just wouldn’t trust it. Thats just me and my gentlemen sausage talking though.

Yes, we have to take the hit once a while. Recently, my spokes keep breaking off and I keep replacing them a while. After the fourth, I said forget it and buy a new set a new of wheels. It was very happy investment.

[bluerider]

@KelOnWheels 22906 wrote:

Isn’t that what trail dirt is for?

It’s an option.

[vvill]

@bluerider 22886 wrote:

Second, the falling seatpost may solved by a new seatpost as well. However, make sure the seatpost clamp is torqued to spec. Before doing so, buy some friction paste from your local bike shop (also known as carbon paste). It will help create friction between the seatpost and seatpost tube. Reinsert and torque clamp to spec. Done.

Yeah I was having a similar problem to rcannon100 with my seatpost slipping down on my folding bike. I read a recommendation online for this stuff:
http://www.amazon.com/Ritchey-Liquid-Torque-Friction-Paste/dp/B003Z85HPM
and also stumbled on this
http://www.amazon.com/Park-Tool-Supergrip-Assembly-Compound/dp/B0071X261U/

but I ended up just using regular grease I had at home (Finish Line I think) since neither my seatpost nor frame/collar are carbon, and I also discovered I had water inside my frame so I figured coating the joint would be handy anyway. It seems to have worked.

[baiskeli]

Make sure your seat isn’t slid back further than the maximum (should be a mark on the rails). That can make it pop.

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