So...what are those little rubber ring thingies called...?

[Lewis Moon]

...yes you can extrapolate on that...

What I'm looking for is the little rubber ring that you can put on a seat post to keep water from sneaking down between the seat post and the frame. Not a huge problem but, belt and suspenders. I think Fizik used to make them.

[Jaybee]

I'm not familiar with the particular bike part you are talking about, but it seems like a $0.50 o-ring from Ace could serve this purpose.

Is that what the part is like?

[Lewis Moon]

Originally Posted by Jaybee

I'm not familiar with the particular bike part you are talking about, but it seems like a $0.50 o-ring from Ace could serve this purpose.

Is that what the part is like?

Actually it is conical, for lack of a better description, to route water away from the opening.

[srcarter]

Seatpost Ring?

https://www.wiggle.com/fizik-seatpost-ring/

[donevwil]

Seatpost Ring is what Fizik calls it.

[Lewis Moon]

Found it:

[Lewis Moon]

Thanks. SO many things they could have called that...and they settled on "Seatpost Ring". Triumph of the mundane.

[vqdriver]

i got mine used so it didn't come with the ring, but does it actually create a seal? i thought it was for marking post height.

[93KgBike]

Funny, I was just looking for my super-heavy weight grease, to fill the seat post/collar line against water last night.

Do those things work?

[sparky33]

That Fizik rubber ring thing has a purpose?

[David Kirk]

What size do you need?

dave

[cnighbor1]

If SP remains in a set position You could just apply clear sealant around it at top of seat post lug

Originally Posted by Lewis Moon

...yes you can extrapolate on that...

What I'm looking for is the little rubber ring that you can put on a seat post to keep water from sneaking down between the seat post and the frame. Not a huge problem but, belt and suspenders. I think Fizik used to make them.

[Mikej]

May help a little, but lots of water will enter through the frame slot below the binder. Do you have a drain plug in your bb?

[Mike Bryant]

Suggestion:
If you don’t have a drain hole in your bottom bracket shell, and you hang your bike on the wall by a wheel; hang it by the front wheel after a wet ride, where the seat tube slopes downward and the water can drain out.


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[fignon's barber]

You live in Arizona. How much rain can you get in your seatpost?