Questions referring to the part of a bike that extends upward from the seat tube on the frame to the saddle.

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2
votes
3answers
430 views

How come my bike has such a short seat post?

The bike is a 1983 Dawes Galaxy and upon trying the raise the saddle this morning, I found this stubby little thing. Is this normal for bikes of this age? In either case, why so short?
2
votes
1answer
541 views

How can I mount a 25.4 mm seat-post on a frame that needs a 27.2 mm seat-post

My bike has no rear suspension. So I thought of putting a suspension seat-post on it. Unfortunately the only suspension post available in my city is a 25.4 mm one. I have added some scrap metal to fix ...
2
votes
2answers
779 views

Bicycle Seating Posture Ergonomics

Road bikes have a forward bent seating posture, mountain bikes have a straight seating posture. I was wondering which of the above seating postures (of road bikes or mountain bike) is better for ...
2
votes
1answer
690 views

Seatpost won't let me set my saddle “level”

I recently changed my saddle and I've found I'm unable to get my new saddle level (as measured with spirit level). The problem is the seatpost clamp - it has teeth on both the concave top of the ...
2
votes
3answers
2k views

Child seat (or rack) at the seat post

I have 2 bikes (mountain and road) sometimes I use them in races (mostly MTB) so I don't want to have any fixed accessory on them. I'm looking for a child seat (or rack where a seat can be mounted) ...
2
votes
2answers
253 views

What Seatpost Is This?

I saw a picture of a seatpost that I'd like to buy but cannot find after much browsing. Unfortunately I no longer have a photo but have this information about it. Can someone identify it? Black. Not ...
2
votes
1answer
2k views

How to pull a carbon seatpost out of a carbon frame?

How do I pull out a carbon seatpost on a carbon frame? It seems so hard for me... Do I need a special tool, or just ask help from a local bike shop? done with the seatpost. I made the frame and ...
2
votes
4answers
8k views

How to remove completely stuck saddle post from frame [duplicate]

I am helping a friend fix his bike that he got for free. Everything went well, except that I cant raise the saddle. The seatpost is really stuck in the frame. The clamp was easily removed. When I ...
2
votes
2answers
992 views

Removing old fashioned saddle from seatpost

I've been searching for instructions on how to remove my old saddle from my seatpost. All the videos/guides I've seen have been about the newer kind of clamping mechanism where just one bolt needs to ...
2
votes
3answers
129 views

Required 26.8mm diameter Seat Post

I have a Schwinn Searcher Sport 2011 Hybrid Bike, with a damaged seat post. Thus, I require a 26.8mm seat post with suspension. In India, I have searched, but I am not able to find a suitable seat ...
2
votes
1answer
182 views

Carbon-wrapped Aluminum seatpost?

I have the seatpost shown in the pictures below. It came on a 2010 Specialized Tricross. It looks like Carbon fibre on the outside, but when you look at the open end of the tubing, it actually looks ...
2
votes
5answers
273 views

How to remove a stuck seatpost?

I bought an old bike. However there is one problem with it. The seatpost is stuck and I can't take it up or down ... and it's too high for me that my back hurts. It seems that the old user made it ...
2
votes
1answer
249 views

What does this rod inside the my american classic seat post do?

I've got an american classic seatpost. I bought it used, and wasn't sure how to properly adjust it initially. I found the bolt on the bottom clamps the seat down. The bolt on the rear underside ...
2
votes
1answer
330 views

Seat clamp tolerance

Manufacturer specifies a seat clamp/collar size of 36.6mm. I was wondering if a 36.4mm clamp will work? How much tolerance is there with a seat clamp?
2
votes
2answers
1k views

Folding Bike Seat Post Replacement

I have a folding bike (basically this Origin8 model) and the seat/seat post got stolen. I haven't replaced a seat post before, but this is the only replacement post I could find, and I'm not sure ...
2
votes
2answers
629 views

Joe Breeze HiteRite altenative… ideas before I get hacking!

I think the old HiteRite seat dropper springs are excellent for cost and simplicity, but of course they are like hen's teeth now. I've been looking at torsion spring suppliers and adapting seat ...
2
votes
1answer
73 views

Is it safe to use aluminium seatpost adapter (27.2mm to 31.6mm) for a carbon frame?

I have Cane Creek Thudbuster Seastpost (aluminium) 27.2mm x 400mm which i want to use for a bike with a carbon frame (31.6mm seat-tube). I'm thinking about getting a seatpost adapter/shim from 27.2mm ...
1
vote
2answers
365 views

Will bending the seat post two inches forward cause any unforeseen structural issues?

My current bicycle is a 2013 Specialized Allez C2. I'm thinking of using a conduit bender to bend the angle of the seat post two inches forward. A conduit bender can bend one inch for every 3 inches ...
1
vote
2answers
13k views

How do I install a bike seat clamp properly?

I recently moved, and had to take off the seat to my bike while I moved. I was surprised to find when I arrived and settled that I couldn't find the clamp to my bike seat. I managed to find a new bike ...
1
vote
2answers
430 views

Carbon seatpost dip in?

Can I insert a carbon seatpost up to 20cm deep into seat tube? The seattube is carbon as well. Total length of the seatpost is 35cm. The shape of the seatpost is aero seatpost (tear drop shape). It's ...
1
vote
4answers
256 views

Seatpost clamp bolt replacement

I rounded the flats on the seatpost clamp bolt (it's an Allen bolt; i.e. I turn it with a Allen key) that came with my bike (2014 Fuji Absolute). I found a replacement for the bolt at a local hardware ...
1
vote
2answers
219 views

Giant Road Bicycle, Comfortable Seat

Anyone know of a comfortable seat that is compatible with Giant Bikes? I took my seatpost to walmart to try and fit the seatpost with the bell gel seatpost with shock absorbers, Had high hopes for ...
1
vote
1answer
326 views

How easy is it to remove a seat with a dropper post?

I recently got a shop to install a dropper post on my mountain bike and just now realized that I have to take the seat off in order to fit it on a car boot rack. Is it straight forward to take it off ...
1
vote
1answer
211 views

What is the stem/seatpost thing on the Bicymple?

Anybody know if that's a pre-existing part that's been repurposed or if it's something that they've had custom fabricated? There are more pictures on their kickstarter page.
1
vote
3answers
618 views

What is the diameter of the seat post on Citizen folding bikes?

I have searched and cannot find the diameter of the seat post. I would like to get their Miami or Gotham model, but I know I'll need a seat extension as a 6'2" rider. Dahon and others make longer ...
1
vote
1answer
73 views

should I change my seatpost?

I have a seatpost with spring suspension. Something like this one: A friend of mine hit it with his leg while he was dismounting and broke it into two pieces. After putting it back, I noticed that ...
1
vote
2answers
178 views

Seat post tightening

I have a Giant Defy 3 and I'm not sure how tight the seat post bolts should be. I don't have a torque Allen key. Is doing the two bolts on the ring that goes around the frame as tight as I can do them ...
1
vote
1answer
106 views

Where can I find a replacement part for a seatpost collar?

I have a foldable bike and I need to constantly adjust the height of my bike seat, the problem is that one of the pieces of the seatpost collar is totally worn out and needs replacement. The part ...
1
vote
1answer
699 views

Anyone make a 31 or 31.1 mm seatpost?

Some time ago, I bought a used Giant full suspension MTB. The guy cut the original seatpost too short for me, so I needed a new one. The post was some weird size, either 31 or 31.1 mm. Closest I ...
1
vote
0answers
32 views

Replacement seatpost clamp for Saturae seatpost

I have destroyed the clamp that connects the seatpost with the saddle on my Mekk. The seatpost is Saturae. Can someone tell me what type of clamp i need and where I can get it? Its a one bolt seat ...
1
vote
1answer
483 views

Problem during installation of Rockshox Reverb Stealth product

I am following the SRAM official procedure on a very similar bike to the one reviewed. However, I am stuck at this part: unthread the hose from the remote's barb. I just can't. I am holding the hose ...
0
votes
2answers
639 views

Extending integrated carbon seat tube

Can I just cut the carbon seat tube, cut a vertical slot for compression and use a conventional seat clamp to hold a seat post in it?
0
votes
1answer
251 views

Does a carbon frame need two-bolt seat clamp?

Does a bike with an alloy seat post and a carbon frame need a seat post clamp with two bolts? Most clamps these days seem to be either quick release or single bolt. Is that safe to use with my set up? ...
0
votes
1answer
53 views

I am hauling my bike a couple of thousand miles [closed]

Without the seat and post in. Any suggestions what to plug the tube with?
0
votes
2answers
131 views

How to work around a high seatpost?

So I bought this old bike but realized that its seatpost is stuck and high. When I ride I feel uncomfortable because it's slightly too high for me. Also I realized that it's really difficult to fix ...
0
votes
1answer
146 views

Will slightly slimmer seatpost make a difference?

I have an old Peugout bike that needs a 23.8 (to the best of my measuring abilities) seat post. I can't find such a seatpost in all the obvious shopping places, but I did find a 23.4mm one. I'm just ...
0
votes
1answer
501 views

Help me buy a bike seat post

I know that my bike has a 25.4 mm diameter seat post. So can I purchase any old 25.4 mm diameter seat post from eBay and expect it work with my existing bike seat? Here are some pictures of my ...
0
votes
1answer
72 views

Dropper seat post with 150 mm of travel

Are there dropper seat posts with 150 mm of travel on the market other than Rock Shox Reverb Stealth and Kind Shock (LEV & Supernatural)?
0
votes
1answer
1k views

How to avoid or reduce back-pain by adjusting the handlebar and seat of 19.5" MTB?

I'm 6' 3" long, having 45 inches of waist-Toe length. I bought Trek 3500, 19.5" sized frame bicycle two months ago. I've been experimenting with the handlebar and seat positions(Forward n Backward) to ...
0
votes
1answer
150 views

Quick-release seat slipping down [duplicate]

My bike's quick release seat has been slipping down recently. I noticed when my (pro) biker friend remarked how low down the seat on my bike was, and helpfully readjusted it for me. Biking became ...
0
votes
1answer
45 views

Seat post size on Schwinn Loop

The seat post (and the saddle) got stolen on my Schwinn Loop. I've searched everywhere but I haven't been able to find the diameter/size of the seat post so I can look for a replacement online. Any ...
0
votes
0answers
89 views

I have a few questions about frame repair, seat adjustments, and rims.

My bike is a Trek 1100 Aluminum Frame My bike has a few dings and scratched in the frame, and I want to get rid of them. So I was thinking I could get a powder coat or something to get a new paint ...
-2
votes
5answers
351 views

Rear Lights for Aero Seat post? [closed]

I went to the Bike store looking for rear lights for my Aero seat post and for the life of me I couldn't find that fit. Its very skinny in the back and so the regular tail lights do not fit. How ...