Questions tagged [stem]
The stem is the part of the bicycle that secures the handlebars to the fork.
131
questions
1
vote
1answer
39 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 ...
6
votes
2answers
127 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 ...
2
votes
1answer
60 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 ...
3
votes
3answers
468 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 ...
5
votes
2answers
340 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 ...
0
votes
1answer
138 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?
8
votes
5answers
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?
1
vote
1answer
155 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.
2
votes
2answers
166 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 ...
0
votes
1answer
101 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?
5
votes
5answers
644 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 ...
6
votes
2answers
395 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 ...
2
votes
1answer
158 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 ...
10
votes
2answers
320 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 ...
4
votes
6answers
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 “...
2
votes
1answer
271 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 ...
0
votes
0answers
49 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 ...
1
vote
2answers
165 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 ...
1
vote
0answers
202 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 ...
1
vote
0answers
70 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 ...
5
votes
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?
0
votes
1answer
120 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
votes
2answers
191 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 ...
2
votes
1answer
670 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 ...
2
votes
1answer
165 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
votes
1answer
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 ...
0
votes
1answer
64 views
What brand is this stem?
Just wondering if anyone can identify the logo of the brand on this stem, thanks.
2
votes
1answer
166 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 ...
4
votes
1answer
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 ...
5
votes
2answers
600 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 ...
3
votes
2answers
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 ...
2
votes
1answer
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 ...
0
votes
0answers
231 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 ...
1
vote
1answer
2k 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 ...
3
votes
3answers
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, ...
1
vote
3answers
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 ...
2
votes
2answers
218 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 ...
1
vote
0answers
66 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) ...
5
votes
2answers
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 ...
0
votes
2answers
747 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 ...
0
votes
5answers
2k 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 ...
4
votes
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 ...
1
vote
2answers
93 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 ...
1
vote
2answers
105 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 ...
0
votes
1answer
661 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 ...
0
votes
1answer
628 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
votes
2answers
329 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 ...
0
votes
2answers
343 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 ...
2
votes
1answer
269 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 ...
2
votes
2answers
7k 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?