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Questions tagged [headset]

Questions referring to the component fitted on or inside the head tube, which allow the steering tube to rotate freely.

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16 votes
8 answers
62k views

Don't integrated headsets wear out, ruining the frame?

I came upon this marvelous explanation of headset types. However, this got me wondering. Isn't the role of the headset cups similar to that of the derauler hanged - to not waste the frame as soon as ...
Vorac's user avatar
  • 13.8k
14 votes
2 answers
9k views

Felt carbon steerer compression plug removal

How do I remove a compression plug (aka. expander bung) like this one? Most guides I could find assume that there's a 6mm hex Allen opening that allows tightening/loosening the plug (example pictured ...
kryger's user avatar
  • 498
14 votes
2 answers
19k views

How do I fix movement in headset

I have bought a second hand bike and generally it's going well. However, there is a small amount of play in the headset that I've been trying to diagnose and resolve. It's a threadless fork. I've ...
Mac's user avatar
  • 9,156
12 votes
4 answers
4k views

Should amateurs install their own headsets?

Building a bike from scratch sounded like a fun challenge, but a frame builder firmly told me to get the headset installed professionally. Videos online make it look easy even if you don't have the ...
daddyblondlegs's user avatar
11 votes
5 answers
3k views

Broken stem tube – LBS "just" lowered handlebars. Is this safe?

I have asked this elsewhere on the internet as well, but this is the Stack Exchange adaptation. I have three related questions and I'll try to make it clear what they are. Here's some background where ...
kqr's user avatar
  • 281
10 votes
2 answers
2k views

Is stem cap redundant after tightening stem bolts?

Is it right to think that after the preload is set, and the stem bolts are tightened, the stem cap becomes redundant? Will the preload be held fixed by the stem? If so, does that mean the stem cap can ...
John M.'s user avatar
  • 205
10 votes
4 answers
3k views

How can I remove very stuck headset spacers (alu/carbon)

Working on a bike that has had significant indoor turbo usage, (i.e. a lot of sweat has run down the headset) and corrosion has bonded the aluminium spacers to the carbon steerer. The steering is ...
Swifty's user avatar
  • 12.8k
9 votes
6 answers
12k views

How often should one service headset bearings?

How often should one disassemble one's headset and service the bearings, assuming it's a fairly new road bicycle with sealed cartridge bearings and is ridden every day?
ebrohman's user avatar
  • 5,518
8 votes
1 answer
144 views

What is this headset's name per the Standardized Headset Identification System

The Park Tool website has a page describing the standardized headset identification system. I would like to confirm that I've understood it properly. Is this bottom section of a press-fit headset ...
Tim's user avatar
  • 1,146
8 votes
1 answer
2k views

Gap in headset dust cover--what am I missing?

I replaced my stem with one that has a taller stack height. I learned about proper gaps for the headset preload and had to requisition a thinner spacer to ensure there's ~3mm between the top of the ...
Eric L.'s user avatar
  • 183
8 votes
1 answer
869 views

How do I install this Ribble endurance SLR headset?

I've installed the bearings and now I'm struggling with which order to stack things. I can't find any documentation or manual of any description. I've attached a few photos. Does anyone have any idea?
jaywayco's user avatar
  • 429
7 votes
2 answers
3k views

Got a new frameset, don't know why I need this split ring collar?

I can work out all the bits of the semi integrated headset, the star fangled nut for the steerer, but I can't see why I need this? It has similar diameter to the steerer tube, is it a spacer? I don't ...
Tom Rhodes's user avatar
7 votes
2 answers
2k views

Is lithium grease suitable for lubricating the steel headset cups when pressing them into the aluminium frame?

Can I use lithium (lithium soap based) grease for lubricating the steel headset cups when pressing them into the aluminium frame? I mean cups, not the bearings inside them. Is it good for preventing ...
kostiantyn.hermash's user avatar
7 votes
1 answer
953 views

Can I leave headset spacers above and below the stem

I am in the process of building a bike with a new frame and fork. The groupset will be from a donor bike. When it comes to fitting the bike and cutting the steerer I would like to do some trial rides ...
mikes's user avatar
  • 18.7k
7 votes
2 answers
900 views

Which way to use a crown race removal tool?

I purchased the following crown race removal tool: http://www.birzman.com/products_2.php?uID=2&cID=24&Key=106 It has a flat side and a side with 45 degree chamfered edge. I suppose the idea is ...
juhist's user avatar
  • 19.9k
7 votes
1 answer
665 views

Why do threadless stems allow quick removal of the bars whereas quill stems do not?

I prefer quill stems for aesthetic reasons but find them a hassle when it comes to removing the handlebar -- having to strip the bars and remove the brifters. Is there a reason why I cannot find quill ...
A.G.'s user avatar
  • 218
6 votes
5 answers
9k views

Used WD-40 on headset and now it loosens daily

I've used WD-40 on my bike's headset as it produced some cracking noises. The result is a headset that gets loose after every ride. I've tried to use a wrench to tighten it, alas, it went loose after ...
Eran Betzalel's user avatar
6 votes
4 answers
410 views

How does this stem/headset work?

I have a bicycle (Göricke, circa. 2012) with an unusual stem. It appears to have a quick-release nut which can rotate through a quarter turn. Here is a picture, with the dust cap removed: I would ...
onewhaleid's user avatar
6 votes
3 answers
6k views

What's the easiest way to insert a star nut into a steerer tube?

I need to install one of those star-fangled nuts, but I don't do this often enough to warrant buying a special tool for it. I usually manage to hammer the thing in eventually but in the past it has ...
z7sg's user avatar
  • 548
6 votes
2 answers
620 views

Headset, stem and steerer tube gap?

I have just adjusted my spacers positions on my headset. There origionally 3 spacers below the stem one larger than the others and none above the stem, then I took the 2 smaller ones and placed them ...
Asher's user avatar
  • 81
6 votes
2 answers
6k views

Is my carbon fork steerer tube damaged by overtightened stem bolts

As per the title: I've had my bike serviced by a bike shop, who helpfully tightened up the stem cap and pinch bolts on my headset. I rode it approx 15 km (9 miles) and I noticed some play in the ...
tomandco's user avatar
  • 199
6 votes
3 answers
6k views

How important is it to face the head tube?

I have a frame that I've built up and I'm having trouble getting the tension perfect on the headset, which is not usually something I have trouble with. A friend of mine who is much more knowledgeable ...
Darth Egregious's user avatar
6 votes
1 answer
185 views

Small metal pellets in a new frame

I am working on assembling a new boxed bike (aluminum Kona Libre), starting by tearing it completely down and making sure all components are properly installed, greased and adjusted. The headset felt ...
djwicket's user avatar
6 votes
2 answers
207 views

Play in headset with no upper bearings on a tandem bicycle

I have a half recumbent tandem bicycle. The front fork headset (under the front cyclist) is loose: I can feel some play when I put the front brake on and try to move the bicycle front and back. I ...
Jean-Baptiste Rudant's user avatar
6 votes
2 answers
1k views

Unobtainium headset size?

This summer I took apart my old mountain bike to do a rebuild. It is a Raleigh Legend, from Raleigh Canada, circa 1994. When I got to the headset, I looked for a replacement but it seems the ...
user avatar
6 votes
1 answer
665 views

Stripped thread on steerer. Who is at fault - me or LBS?

Background I ride a Peugeot PKN10 (1980 or 1979 I'm unsure of the exact date). Three months ago I had a cracked chainstay replaced at my LBS. This required removal of the original fork and headset ...
kaporal's user avatar
  • 61
6 votes
1 answer
371 views

What Threadless adapter should I use?

I want to replace the quill stem on my Roadbike with a Threadless head post. The measurement shows about .8 inches. Does a 1 inch adapter mean it is converting to a 1 inch diameter or does it mean ...
nashynash's user avatar
  • 163
6 votes
4 answers
10k views

Gap between lower headset cup and fork. Is this likely to be a problem?

Yesterday I had a headset and fork fitted by my LBS. Lacking the specific tools or knowledge, I thought it better to leave this job to a professional; as a consequence of my inexperience, however, I ...
Amatia Lily's user avatar
6 votes
1 answer
399 views

Why no threaded headset cups?

Threaded bottom brackets are much simpler to install require minimal tools (press-in requires a $300 press) are automatically aligned, as the thread was cut in the factory. So what is the reason ...
Vorac's user avatar
  • 13.8k
5 votes
2 answers
6k views

Should I be able to 'manually' rotate the headset?

When I wrap my fingers around my roadie's headset, I'm able to 'rotate' some parts of it freely around. Should this be happening? If it should not be happening, what is causing this and is it ...
Trogdor's user avatar
  • 251
5 votes
3 answers
300 views

Do road bikes use the same width headsets?

I know that most commonly MTB's use 1 1/8" steerers and older non-suspension bikes use 1" but I don't really know anything about the width of modern road bikes. Do they now use 1 1/8" or do they use ...
Colin Newell's user avatar
  • 1,440
5 votes
1 answer
780 views

Road bike headset: the spacer above the stem can rotate but not the ones below, is it wrong?

I checked my bike for play yesterday and found some in the headset when rocking while slamming the front brake. I loosened the stem bolts and top cap then tightened them again. The play in the headset ...
Learning is a mess's user avatar
5 votes
2 answers
689 views

Steerer tube flush with top of stem

I bought a secondhand suspension fork online and the steerer tube has been cut to 170mm which I thought was plenty from what I calculated, turns out not so much. After doing a quick test install, the ...
Thierry 95's user avatar
5 votes
3 answers
28k views

Headset wobble after tightening

I own a Cannondale Super Six 105 (Ultegra now) Carbon 2012 bike and I can't stop the wobble in the headset. If I tighten down the top cap (with 6mm hex) I can get rid of the wobble (hands on the ...
Aindriú's user avatar
  • 328
5 votes
1 answer
1k views

Shallow ring of death

By not servicing the headset for a long time (>10K km), I ended up with the so-called ring of death on the steerer tube. If you have never heard of it, watch this ...
Alessandro Cosentino's user avatar
5 votes
1 answer
387 views

Headset labeling - Does this qualify as EC30?

I am currently in a dispute with an eBay vendor about the sizing of a threaded headset I purchased. Before I initiate a refund claim, I would like to make sure I'm in the right. The headset's ...
ASV's user avatar
  • 105
5 votes
2 answers
740 views

Threadless stem keeps loosening [duplicate]

I recently got a 2018 Felt VR30. I've been riding for a long time, but this is the first bike I've ever had with a carbon fork, and only the second I've had with a threadless headset. The problem I'm ...
Adam Rice's user avatar
  • 30.1k
5 votes
2 answers
1k views

Kids bike front wheel falls to the side while on kickstand

My daughters bike's front wheel doesn't stay straight when it is on the kickstand. Our other 2 bikes only slightly go to the left but her front end "falls" to the left like something is loose. ...
Amanda's user avatar
  • 51
5 votes
2 answers
2k views

Frequent fork swapping, best practice?

For folks who frequently swap forks (i.e. rigid fork for one race, suspension fork the next weekend, back/forth) how do you manage headset/crown race compatibility? I assume you end up with matching ...
Matt Goodman's user avatar
5 votes
3 answers
2k views

What can cause headset bearings to become loose quickly?

On a new-ish CX bike (about 1 year old), I frequently need to adjust/tighten the headset bearings (semi-integrated ahead type). After a few rides, they become loose which is noticeable by a "...
anderas's user avatar
  • 1,288
5 votes
2 answers
861 views

Creaking headset

The front end of my bike was creaking when the handlebars were rotated. I suspected an overtightened top cap. I loosened the stem bolts and loosened the top cap, checking for the creaking as it ...
Martin Jones's user avatar
5 votes
2 answers
316 views

Steer tube expander bolt too small?

Has anyone had an expander bolt that when fully tightened (I.e. bottomed out) didn't expand enough to grab /hold the tube? I'm installing a Shimano/PRO Di2 battery holder / expander bolt and I can't ...
tir38's user avatar
  • 1,058
5 votes
1 answer
692 views

How can I install a 1 1/8" to 1 3/8" Synapse fork onto a 44 mm headtube?

I know you get headset questions all the time, hopefully this one mixes things up a bit. I recently acquired a 2015 litespeed CX frame, which has a 44 mm head tube. It is listed as having a height of ...
ektogamut's user avatar
5 votes
2 answers
3k views

Should I use anti seize for headsets and press fit bottom brackets in a titanium frame?

I have a shiny new titanium frame that I will be building up. I had the shop press in a headset and it looks like they used grease at the interface. Should they have used anti seize? I also need to ...
Ben Mills's user avatar
  • 509
5 votes
1 answer
1k views

How do I disassemble my headset? How do I know if I need to replace it

I just bought a cheap frame off craigslist because I want to build myself a fixed gear bike. When I turn the fork, it feels like there is sand in the bearings. How do I go about taking the headset ...
Dan McClain's user avatar
5 votes
2 answers
3k views

A shim between bottom headset cup and bearing

I ended up in a situation in which my new fork with an integrated crown race imposes lower headset bearing (1.5" 45deg) stack restriction, i.e. I need an additional 1.5mm of bearing height so the fork ...
Klaster_1 Нет войне's user avatar
5 votes
3 answers
2k views

Which side up do caged bearings go in?

Replacing fork on bike but messed up and didn't keep all the pieces in order as I took the old fork off. Which direction do the caged bearings go? What side of bearings face the cup and which side to ...
Alison's user avatar
  • 1,215
4 votes
3 answers
2k views

My bike's adjustable stem keeps falling down

My bike's adjustable stem keeps falling down. I tighten the nut as much as can but it seems no impact at all. Is it the wrong nut to tighten?
daxu's user avatar
  • 227
4 votes
3 answers
415 views

Question about stem play

I screwed the top cap screw clockwise to remove play in the stem but I wonder if the stem has to be never moving or theres a point the headset is softly moving like rubber I assume bearing is still ...
ice man's user avatar
  • 383
4 votes
1 answer
1k views

Why isn't my quill stem controlling the front wheel of my bike? [duplicate]

Please excuse me if some of my terminology is off. I don't know much about bikes. When I came home from college I noticed that the seat of my bike was way to high and the headset was really low, I ...
Chris Perkins's user avatar

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