Questions tagged [stem]

The stem is the part of the bicycle that secures the handlebars to the fork.

Filter by
Sorted by
Tagged with
2 votes
1 answer
208 views

Is this damage on this stem faceplate screw threads a safety issue?

I had to adjust a handle bar of an older road bike I want to start using again. When unscrewing the handle bar to stem bolts I noticed that the washers had grinded into the aluminium already. As I had ...
user avatar
  • 125
4 votes
3 answers
291 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 ...
user avatar
  • 163
1 vote
1 answer
55 views

Where do I locate/install the compression plug for my stem in my carbon steer tube?

I have Cannondale Si compression plug with flat top cap and I am using a Bontragar Blender Pro stem on my CADD 13. I wondered how I should locate my compression plug within the carbon steerer tube of ...
user avatar
  • 163
1 vote
1 answer
77 views

Do you move compresser plug when you lower the stem position

When steerer tube hadn't been cut and put spacers above the stem but compresser plug would stay the same position.
user avatar
  • 163
2 votes
2 answers
137 views

Cutting a slot in a quil stem

Just curious to know, is it possible and safe to cut this slotted part of the stem and make a new slot slot on top? I need a shorter stem for another project.
user avatar
4 votes
1 answer
368 views

How do I install a quill stem extender?

I don’t understand how to install a quill stem extender. Photo included. I have my stem, the long screw and the wedge. The stem extender on the right has a stem, a long screw, and a wedge. The screws ...
user avatar
  • 41
7 votes
3 answers
132 views

Will it be effective to use hot water and cold canned air to unjam a quill stem?

I have a bike frame that has been left outside for years, I tried to remove the stem by hitting the bolt with a hammer, using rust dissolver. I achieved nothing. We use a torch and water where I work ...
user avatar
1 vote
1 answer
42 views

How do I center a basket attachment that's sitting between the stem and head tube

I messed up while building my daughter's bike and started turning this basket attachment around, until I realized I am looking at it from the wrong side. Now it's sitting at an angle. What tool ...
user avatar
  • 111
6 votes
2 answers
146 views

Why are thorn resistant tubes prone to valve stem failures?

I would welcome knowledgeable answers rather than opinions please. I have been cycling 50+ years and now work in an LBS. I have seen numerous examples of so-called “thorn-proof” TP tubes, of different ...
user avatar
  • 259
2 votes
1 answer
92 views

How do I remove the stem/fork on this style of vintage bike?

Picked up a cheap vintage bike, and I'm getting it ready for a family member to ride. I want to put a different stem/handlebars; but I'm unable to back out the quill to remove the stem. In checking ...
user avatar
3 votes
3 answers
989 views

Ways to increase handlebar height?

Recently got my first bike with drop handlebars. After riding around for a while, I noticed some neck/trap/shoulder strain. I have tried adjusting the seat height, but I think the next best solution ...
user avatar
  • 71
5 votes
2 answers
437 views

What's the ideal balance (forward/backward) in the saddle on an endurance road bike?

I got my first road bike (and found I favor endurance riding position), and I can't figure out if I'm positioned well in the saddle. It's as far aft as it goes, but I still feel like I'm falling ...
user avatar
  • 51
0 votes
1 answer
154 views

Slamming my stem considerations

I want to try a slammed stem but don't want to cut the steerer tube. Do I have to?
user avatar
  • 31
8 votes
5 answers
2k views

How can I raise my handlebars when there are no spacers above the stem?

I have a threadless setup with no spacers above the stem. What is the simplest way to raise my handlebars?
user avatar
  • 213
1 vote
1 answer
225 views

Is this an integrated crown race?

The title says it all. I would like to change the bearings for my headset,but i have no idea if this crown race is removable. It is a Bontrager fork, probably from 2007. Thank you, From Norway.
user avatar
  • 31
2 votes
2 answers
252 views

Zero-gap stem (FSA Afterburner) inverted installation

My question is somewhat related to this one. I apologize in advance for such a long question! And thanks to everyone who manages to get to the end. I've bought an FSA Afterburner 12° stem. On the ...
user avatar
0 votes
1 answer
103 views

How to adjust when i am 5'5 foot tall and having a 42 cm roadbike frame?

Im planning to buy a roadbike frameset in my local store but they say that the size of the frame is 42cm and i am 5'5 should i buy that frame?
user avatar
5 votes
5 answers
787 views

PRO LT Handlebar Stem asks to tighten top handlebar screws first before bottom screws? Conflicting manual instructions?

I bought this PRO (Shimano) LT handlebar stem. However, I'm having difficulty decoding the instructions in which to tighten the handlebar clamps. The stem itself has this piece of cardboard in between ...
user avatar
8 votes
4 answers
557 views

Handlebar slips in quill stem clamp when going over bumps

I bought this new Kalloy quill stem, with Sakae 25.4mm handlebars as pictured below. The handlebars were purchased at an eBay auction. Here's the setup from the side I've tightened the handlebar ...
user avatar
2 votes
1 answer
195 views

How to Remove This Fork?

I'm restoring another old bike of mine (20 y.o). Want to repaint the bike, but I need to remove all the parts. Trying to remove the old rusty fork but have no idea how to do it. I tried to remove the ...
user avatar
10 votes
2 answers
452 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 ...
user avatar
  • 205
4 votes
6 answers
1k views

I stripped one of four bolts on the faceplate of my stem. Is the stem usable until the replacement arrives?

The aluminium stem on my road bike says the max torque for each of the four faceplate bolts is 6nm. So I set my calibrated torque wrench to 6nm... and one of the bolts stripped its thread. I guess “...
user avatar
  • 309
2 votes
1 answer
274 views

Are Adjustable Stems With Reasonable Merit?

[Question overhauled after I realised it appeared snobbish, narrow and not in good faith, as pointed out by @gschenk . This sentiment originated due to a recent failure with a critical bolt mechanism ...
user avatar
  • 312
0 votes
0 answers
66 views

What Dahon adjustable handlebar stem would suit my Dahon MU XL Sport Bike

I own Dahon Mu xL Sport foldable bike and use it for exercise. I have a back problem and would like to fit a Dahon adjustable stem to keep my riding position more upright. I have tried adjusting the ...
user avatar
1 vote
2 answers
188 views

Negative 17 80mm stem on MTB?

I currently have a 27.5 hardtail mtb. I use it for commutes and traveling rather than trails or downhill tracks. I'm planning on upgrading some parts and one of them is the stem. Will a -17° stem have ...
user avatar
1 vote
0 answers
251 views

Adjustable Andros-like stem for 31.8 handlebar

I have used the Tern Andros stem system and got one with it well. Recently I acquired a Riese and Muller folding bike, which has an adjustment system which (for me) is less comfortable. It puts the ...
user avatar
  • 65
1 vote
0 answers
81 views

Can a 2cm lower ETT and 3cm lower stack make a big difference

I have recently been testing two mountain bikes: one with a 44cm (~17.5") frame, which I bought second-hand and one with a 45.7cm frame (~18"), which I bought new but want to return it as I ...
user avatar
  • 241
8 votes
3 answers
2k views

Why the small difference between common sizes of handlebars (31.8mm) and MTB seatposts (31.6mm)?

Many handlebars have a 31.8mm clamp section, and a common MTB seatpost size is 31.6mm. I know these are both around 1 1/4 inches. Why the 0.2mm difference though?
user avatar
  • 10.9k
1 vote
1 answer
129 views

What's the generic name for this threaded/decorative "stem cap" on a Delta threadless steer tube extender

I picked up one of these Delta threadless stem risers / steer tube extenders so I could try out different handle bars heights on my gravel bike without going through a bunch of stems (since shops near ...
user avatar
  • 630
3 votes
2 answers
207 views

Is it possible to set this fork steerer / stem higher?

Is it possible to set the stem / steerer higher in Cannondale R300? It feels like I need higher stack and I wouldn't like to tilt the drop bars from their current position. Bonus question: are stem ...
user avatar
  • 307
2 votes
1 answer
835 views

Carbon steerer with expander plug under the stem, should I be worried?

I just bought a custom fixed gear frame that comes with a carbon fork with carbon steerer, off a guy who already cut the steerer lower than the stem so that the cap can sit flush on the stem. Normally ...
user avatar
2 votes
1 answer
203 views

Quill stem bolt is covered

I've just got a new bike (ordered online). It came all assemebled except for the handlebar stem (quill type) which is completely sideways. I believe I need to loosen the stem bolt and reorient it, ...
user avatar
  • 23
3 votes
1 answer
1k views

Replacing stem bolts

Rather than replace the stem on every rusty bike I come across, I want to replace some stem bolts which are rusted, cheap original ones. I know they can differ in size a bit so I would get some that ...
user avatar
  • 12k
0 votes
1 answer
64 views

What brand is this stem?

Just wondering if anyone can identify the logo of the brand on this stem, thanks.
user avatar
  • 269
2 votes
1 answer
169 views

Adjustable stem busted - Do I need to replace the whole stem?

Today on my 2018 Pegasus Solero the adjustable stem broke. Probably due to overtightening of the righthand screw the nut at the left side of the stem tore free (see images). The question is, whether ...
user avatar
  • 157
4 votes
1 answer
3k views

Clarification on the steerer tube torque of the stem bolts

On my stem a label says "All max. 8 Nm" next to the handlebar clamp bolts. This is the only labeling: On the internet I found other values ranging from 20 - 30 or even 10 - 30. Refer to: This ...
user avatar
5 votes
2 answers
621 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 ...
user avatar
  • 24.1k
3 votes
2 answers
2k views

Effects of longer and higher stem on rider position/comfort and handling

My first road bike, and the bars feel a little low and a little close. What would be the effects of switching to a stem that is 10-20mm longer, and either the same angle so the bars are slightly ...
user avatar
3 votes
1 answer
2k views

Tightening steerer expander/compressor and spacer positions with a carbon fork

I had ugly clicking noises coming from the headset before and after a warranty exchange of a fork (the reason for the exchange was on the other end). I have identified the clicking as coming from the ...
user avatar
0 votes
0 answers
246 views

How many degrees does the stem of a Canyon integrated cockpit rise?

I am plotting a Canyon Ultimate bike on BikeCad, but I can't find how many degrees the stem rises. The stem is part of the Canyon H36 integrated cockpit. In general, manifacturers of integrated-stem ...
user avatar
1 vote
1 answer
3k views

Raising handlebars using a stem raiser on B'twin Triban 500

I've just got a second hand B'twin Triban 500. The seat goes easily high enough, but I've not used a road bike before and the handlebars are far too low for me, even with all the spacers in place. I ...
user avatar
  • 137
3 votes
3 answers
3k views

Replacement stem cap and bolt

Our oldest son has been alternating between mine and my wife’s bike (Carreras from Halfords) whenever he has to go anywhere, but over the last week or so we noticed he had stopped using my bike, ...
user avatar
1 vote
3 answers
3k views

Bike fit: Adjusting stem angle vs. height

I'm playing with my fit a bit as I have gotten much more flexible since I had a bike fit 2 years ago (+1 to stretching and foam rolling.) As I'm experimenting with drop I am wondering if it makes ...
user avatar
2 votes
2 answers
237 views

Broken bearing cover near stem

I have a small issue with a bearing cover/seal (not sure how it's called properly) that I would like to fix. I'm attaching the picture for clarity. I imagine I should just replace the part but I have ...
user avatar
  • 23
1 vote
0 answers
70 views

Custom dutch bike project [closed]

Here I am a Kiwi in the Netherlands with a little dutch bike project underway. The internal of the steerer tube is 19.3mm (give or take) so I am unable to put a 1" - 1" 1/4 (32mm Handlebar diameter) ...
user avatar
6 votes
2 answers
4k 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 ...
user avatar
  • 199
0 votes
2 answers
843 views

What are the pros and cons of suspension seats and suspension handlebars?

The title says it all, but I’ll add more specifics to give a better understanding of my particular situation. I am a on-road commuter with little-to-no dirt roads in my routes, many of the roads are ...
user avatar
0 votes
5 answers
3k views

Can a hybrid bike's stem be slammed to make it nearly as fast and powerful as a road or cyclocross bike?

Can a hybrid bike's stem be slammed to make it nearly as fast and powerful as a road or cyclocross bike? More aggressive positions are thought to improve power transfer. That means a better workout ...
user avatar
  • 1,023
4 votes
1 answer
2k views

Broken stem, how to fix?

My crappy bike (Aldo Cadenazzi) was squeaking for the last two days. Then today the stem broke. Luckily I was very slow when it happened. How can I fix it? I have read a little bit about threadless ...
user avatar
  • 337
1 vote
2 answers
97 views

Problem at bottom of threaded stem

I just bought 2002 Specialized Expedition Elite 3×9 speed bike. The bike comes with stock threaded stem. It was taken apart for service. And upon reassembly the bottom of the stem is catching and not ...
user avatar