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2
votes
1answer
48 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 ...
2
votes
1answer
423 views

Riding bicycle without using seat

I've almost always rode on a BMX, so I've never been sitting while riding because of how low the seat is.Now I've had a chance to try out a more normal bike but I found sitting on the seat to be very ...
1
vote
2answers
204 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?
1
vote
2answers
10k 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
192 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 ...
1
vote
2answers
216 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
1answer
64 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 ...
1
vote
2answers
401 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
1answer
193 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
428 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
2answers
81 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
103 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
497 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
1answer
285 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
159 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 ...
0
votes
2answers
489 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
91 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
47 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
73 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
111 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
189 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
58 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
88 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
0answers
62 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 ...
0
votes
0answers
91 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 ...
0
votes
0answers
66 views

How does the seatpost binder bolt work on a Vanmoof?

Vanmoof bicycles have the seatpost binder bolt/mechanism that is hidden inside the top tube. Does anyone know how it works? Does it have a way of preventing water from getting into the frame from ...
-1
votes
2answers
91 views

Seat post tightening

I have a giant defy 3, 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 ...