Questions tagged [stem]
The stem is the part of the bicycle that secures the handlebars to the fork.
113
questions
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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 ...
1
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0answers
40 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 ...
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2answers
1k 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?
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1answer
71 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 ...
3
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2answers
166 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 ...
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1answer
139 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 ...
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1answer
88 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, ...
3
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1answer
150 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 ...
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1answer
63 views
What brand is this stem?
Just wondering if anyone can identify the logo of the brand on this stem, thanks.
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1answer
141 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 ...
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1answer
416 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 ...
5
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2answers
503 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 ...
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2answers
967 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 ...
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1answer
923 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 ...
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0answers
159 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 ...
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1answer
1k 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 ...
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3answers
1k 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, ...
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3answers
2k 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 ...
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2answers
148 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 ...
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0answers
58 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) ...
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2answers
2k 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 ...
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2answers
322 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 ...
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5answers
1k 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 ...
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1answer
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 ...
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2answers
79 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 ...
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2answers
87 views
How do I adjust this adjustable quill stem? Any ideas? [SOLVED]
I can't tilt lower the stem.
There is a bolt underneath the horizontal stem. I loosened it and am able to tilt the stem up from 30 to 40 degrees. I want to lower it though but for some reason cannot ...
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1answer
534 views
Short stem & riser bars on XC [closed]
I found a crack under my handlebar and I'm thinking of buying a riser bar and a shorter stem for my mountain bike. is it a good idea? I don't ride on trails, not because i don't want to, I just don't ...
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1answer
267 views
Why does my stem have no bolts?
I am fixing this bike for a friend. The headset is wobbly. All the instructions I find online for how to tighten it stress loosening the stem bolts first, but this bike has none. Is that why, despite ...
3
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2answers
271 views
Reducer for 1“ fork and 1 1/8” stem
So I have a steel road bike which orignially had a 1" threaded fork. I replaced it for a ahead fork and have been using this with a 1" Ahead stem without issues.
The stem was just a temporary ...
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2answers
189 views
Wobbly stem: serious issue or not?
I went test riding a second hand bike. During the test I have found that the stem was wobbly around the axis defined by the red star in the picture.
I have tried changing the tilt of the stem to ...
asked Aug 29 '18 at 15:25
L.Dutch - Reinstate Monica
5,9411 gold badge20 silver badges53 bronze badges
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1answer
215 views
What's this part from inside the steering tube?
I wanted to replace a stem with a new one, so I first tried to screw the top cap off. What happened is that instead of the cap, the piece in the picture came out. What is the name? Is it bad that it ...
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2answers
4k views
What's the difference in threaded and threadless headset and stem
What's the difference in threadless and threaded headsets and stems? Why change it? is it because it's easier for maintenance?
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2answers
433 views
How to read stem measurements?
I'm thinking of getting a shorter stem for my road bike. But I don't understand how they measure in terms of lenth and angle.
I measured it from center to center and it came up to 4.25 inches. I'm ...
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2answers
151 views
Can anyone help me identify this stem binder nut
This nut (pictured) fits the binder bolt from a vintage 3ttt stem. I would like to know the name of this nut, or the type of nut this is so that I can try to buy more.
So far, I've found similar ...
2
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2answers
7k views
How can I find the perfect handlebar height?
I test-rode a bike (2018 Specialized Rockhopper Sport) and I liked everything except the height of the handlebars, and it's the XL size so there's no larger option available.
I feel like it would be ...
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1answer
5k views
How to adjust the handlebar alignment with front wheel?
I have the follwing stem
My handlebar is a bit too much right and I am not sure what screw(s) I have to loosen the one on top (in the headset) or the two left on the picture above or maybe all of ...
3
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1answer
4k views
How do I remove my bicycle handlebars that are connected by a single rusted bolt?
I'm trying to remove the HANDLEBARS from the stem of my bike and the handlebars are put into the stem and secured with a bolt. However, the bolt is rusted and will not budge no matter how hard I go at ...
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1answer
717 views
How can I tilt up a stem of my bike's handlebar which is held by two bolts?
I bought a second hand hybrid bike and would like to adjust the stem of the handlebars such that I can ride it in a more upright position.
The following photo shows a side view of the stem with an ...
2
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1answer
1k views
Can tricep pain be cause by having a smaller bike frame?
Some context, my boyfriend bought a used carbon frame bike because it was a good deal, I feel like recent tricep soreness is caused by his biking on a bike that is too small for him or wrongly ...
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2answers
1k views
The stem connects the handlebars to the…?
If this is a stem... ... what's this?
I'm asking because I need to buy a taller one so I don't have to bend over as far. It's not convenient to buy a new bike, and I already have an adjustable stem ...
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1answer
5k views
Can't Tighten Handlebars
I have an old Trek mountain bike with a "Traditional" handlebar stem (Quill stem?) and I've suddenly become unable to adequately tighten the stem to a) remain in line with the wheel and b) stop the ...
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2answers
1k views
Lowering the stem on a Canyon Endurace
I have a Canyon Endurace XL frame with a 110mm stem which I currently have slammed. I've started racing this year and am very comfortable in the drops for the entire race, which makes me think that I ...
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1answer
634 views
Replace / Repair Diamondback bike stem
I have a Diamondback Edgewood 26" hybrid bike. I believe it is a 2008 model. Mostly it's a great bike and it certainly serves my needs right now.
However, the stem has become loose so the ...
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5answers
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 ...
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1answer
112 views
Handlebar of my bike will not bolt onto the front forks
I decided I'd like to remove my front brake from my bmx, but having looked closer i realised I was looking at a gyro brake system. I proceeded anyway, thinking this wasn't going to be a problem, and I ...
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1answer
10k views
Are stem height extenders safe to use?
I was trying to determine the longest length I can safely cut my steer tube, then I learned about stem extenders. I have to wonder, if you cut your steer tube to the maximum recommended length for ...
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1answer
237 views
Straight 1" OD quill stem for Townie
I have an Electra Townie with handlebars offset 2 1/8" forward of stem tube. Is there a replacement quill stem available that would line up handlebars with stem tube? Center of handlebars needs to ...
3
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1answer
1k views
Longer stem, need to re-cable?
When I got my bike built, I chose a 60mm-long stem. It's a single-speed bike with front and rear cantilever break (cyclocross model.) After riding on the bike for a couple of months, I have decided ...
3
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1answer
279 views
Why is my stem shim angled?
This is what my stem shim looks like:
Why is it angled like that? Does it have a purpose?
I lowered my handlebars and with that angle it looks hideous. The stem sticks out over the spacers now. When ...
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1answer
603 views
Minimum insert for stem: line or arrow
I would like to raise my handlebar and have come across the following markings on my stem.
Can I raise this stem only until the upper arrow disappears or does "Min Insert" refer to the line below and ...
