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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0
votes
1answer
28 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 ...
2
votes
2answers
955 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 ...
6
votes
1answer
239 views

How to judge comfort when buying a new saddle

I bought a Motobecane Mirage S recently from bikesdirect.com I took the following advice from a bikes forum: Plan on changing the seat, pedals, and possibly the tires. The seat will make your ...
3
votes
1answer
63 views

1970 Schwinn Tandem - How to move rear seat further away from handlebars

I scored a cool sierra brown, 1970 Schwinn Tandem 5 speed bike on craigslist (one owner even). I grew up in the 70s and loved the look of this bike, but I guess I had to turn 45 before I got one. So ...
2
votes
3answers
405 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?
6
votes
2answers
182 views

Should I worry about rain getting inside my frame?

I commute to work every day and lock my bike on the street. I have a nice saddle so I remove my seat post and take it into work with me. This obviously leaves a hole open to the inside of the ...
10
votes
5answers
901 views

Is there more than one ideal seat post height based on type of riding?

Assuming one has the correct frame size for one's height, can there be more than one perfect seat post height for the type of riding? I usually ride only in the city with traffic and less than 3 miles ...
1
vote
2answers
171 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 ...
5
votes
3answers
144 views

Slipping aluminium seatpost in aluminium frame

I've already seen this question: Problems with a slipping seatpost The main difference is that I have an aluminium frameset and a forged alloy seatpost - lightweight clamp. After every couple ...
3
votes
1answer
177 views

Specialized Allez - Upgrade to Carbon Seatpost for Long Distance Comfort?

A bit of background: I've been riding a stock 2012 Specialized Allez since I bought it (in 2012). I am a larger guy (105 kg), and tend to go for rides in the 50-100+ km range. No matter what I wear ...
1
vote
4answers
205 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 ...
11
votes
3answers
13k views

Benefits and drawbacks of Dropper posts?

From what I've seen, the last couple of years saw a new product type come into light, and since its inception it has started to appear on bikes (such as this one, this one, or this one) as a stock ...
3
votes
3answers
3k views

Tight Seatpost Installation

I'm having a bit of a problem installing my seatpost. I have a 31.6mm carbon-wrapped aluminum seatpost which fit perfectly fine in my previous aluminum frame. Unfortunately, that frame cracked, ...
2
votes
3answers
411 views

Seatpost Overextension

I've been riding with my very short seat post extended well past its maximum extension line for quite a while now. Looking at the seat post itself I don't see any signs of deformation or damage other ...
3
votes
2answers
238 views

What is the minimal seat post depth? [duplicate]

This may depend on the seat post and the fixture, but how deep should my seat post be into the frame? I have a bike that came with a post that is pretty long and I cut an inch off the bottom of the ...
3
votes
1answer
128 views

Is there a gadget that will let me slide my seat forward more than my post allows?

So I'm I'm trying to dial in the fit on my road bike to be more tri-bike like, and in doing so, I'd like to move my seat forward, well, more than I currently can. I have the Redshift seatpost, and I ...
-2
votes
5answers
297 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 ...
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 ...
2
votes
3answers
123 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 ...
1
vote
1answer
274 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 ...
4
votes
3answers
140 views

Daily Adjusted Seatpost for Trainer Bike

I just got Nashbar's Ascent Fluid trainer and put an old big-box store bike on it that nobody was using, so now I've got kind of a permanent trainer bike which is nice. The problem: me and my partner ...
17
votes
5answers
13k views

How do I keep my seat from tilting back?

When I first got this bike, I got the saddle adjusted almost perfectly. Recently it slipped back (so that the nose sticks up). I loosened the bolt under the saddle, tilted the saddle back into the ...
5
votes
6answers
5k views

Aluminum seatpost stuck to a steel frame

I'm trying to free my aluminum seatpost corroded to a CrMo frame. One of the methods is to heat the aluminum seatpost and then to let it cool. In theory, the aluminum will expand twice as fast as ...
2
votes
5answers
260 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 ...
6
votes
6answers
10k views

Problems with a slipping seatpost

I got a Cannondale Quick1 2010, with the seatpost made with aluminium carbon-wrapped. The problem is that the seatpost tends to slide downwards, even if I squeeze a lot the snap ring; if the ground ...
4
votes
2answers
6k views

Adjusting saddle angle on a road bike (drop bars)

I'll preface this by saying that I've been a mountain biker for over a decade, including XC racing for a couple years. I've never had a hard time adjusting the saddle angle (tilt forward or back) on ...
1
vote
2answers
207 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 ...
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
1answer
171 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 ...
13
votes
5answers
25k views

What makes grease appropriate for bikes?

I'd like to grease my seatpost, and in front of me I've got a tube of "CMD Extreme Pressure Lube #3" that claims to be good for "ball bearings, roller bearings, deep drawing, rivet spinning" and a ...
3
votes
1answer
71 views

Peugeot rear brake location

I have a 1985 Peugeot P16 (mixte). The Weinmann 730 sidepull rear brake was located at the seatstay bridge. Q: Is it safe to relocate it to the gusset plate located behind the seat tube and attached ...
6
votes
1answer
1k views

Trading out folding bike seat post

I currently have an older Dahon Mariner with a Telescope seat post. The third wheel that functions as the "third leg" (when the bike is folded) has broken off. To compensate, could I switch out the ...
1
vote
2answers
964 views

DIY: what material to use as DIY shim seat post?

Seat tube shim adapters are quite expensive, what kind of material do you recommend as a shim? I have seen in a thread some guys talking about home made shim: paper tape alloy drink can as a shim (...
0
votes
1answer
234 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
2answers
123 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 ...
2
votes
1answer
238 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 ...
4
votes
3answers
246 views

Are flip saddle posts available

When trying out the baby seat on my wife's e-bike, it was really easy to fit and remove because her saddle flips up to access the battery. It's a real pain threading the baby seat over the top of my ...
0
votes
1answer
52 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?
7
votes
3answers
2k views

Does anyone make a split seat clamp?

I built an 'Urban Mountain Bike' and I sometimes like to take it off drops. Accordingly, I cut the 'nub' that sticks up above the top tube so that the seat can be removed without a scary open pipe ...
3
votes
3answers
402 views

Suspension seat post is loose

Is it ok that a suspension seat post like the one shown below (source: cyclande.com) is actually a bit loose (moves a bit left-right and probably also up-down). The vendor told that for such seats ...
0
votes
1answer
136 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
469 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 ...
4
votes
4answers
7k views

Getting the right cockpit position. Sliding forward. What should I adjust to keep my sit bones on the seat?

I am experienced rider and I'm looking for some advice on how to adjust my cockpit position. I am a daily commuter, and do regular 40-50k rides on the weekends, and with the warmer weather will work ...
1
vote
2answers
355 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 ...
4
votes
1answer
407 views

Seatpost of a folding bike is always dirty, filed down by frame?

I fold and unfold my Dahon Speed D7 at least four times a day, and each time its seatpost is being pulled up or pushed down the frame tube. Problem is that the seatpost becomes dirty really quickly ...
7
votes
4answers
3k views

How do I remove rust from my seat tube?

I just pulled my seat out as the first step of breaking my bike down for winter storage, and found that rust has formed between my seat tube and my seat post. The rust starts maybe 3" down the tube ...
13
votes
9answers
7k views

Removing Seat Post rusted into downtube

I have an old steel frame (Columbus Number 2 I think) that has the seat post (Suntour Superbe Pro - see, I said it was old!) rusted in. I have tried lots of WD-40 but it will not budge. Any tips on ...
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
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) ...
0
votes
1answer
142 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 ...