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

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1answer
119 views

Tall rider - good cockpit/body position for downhill

I have been riding mountain bikes since a long time, and I am riding only downhill/bikeparks since 2009. I've had several bikes, but I've never been in a real comfortable position when riding (or if I ...
10
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11answers
6k views

Is reversing the stem (pointing it backwards) a safe way to reduce reach length?

Assuming a steerer/fork/brake/cable setup that does not rely on the stem facing forward: is it safe to point a stem backwards as a way to reduce seat-to-bar reach (i.e. as a way to 'fit' a too-large ...
9
votes
3answers
28k views

Better solution for uncomfortably low bars: a stem riser, or taller stem?

I've got my (threaded) stem at the maximum height, but I'd be more comfortable if the bars were higher relative to the seat. It would be uncomfortable to lower the seat any further. I was intrigued ...
3
votes
1answer
142 views

Is a long, high angle stem safe to use with a carbon steerer?

I purchased a hardly used road bike someone else had built up for a deal a few weeks ago, and am a bit disappointed with the fit - it's fine for rides less than a couple hours, but too aggressive for ...
4
votes
2answers
262 views

Can I use a road bike stem on my mountain bike?

I've got a XC mtb which 1. I'm trying to cut the weight off , 2. I want a bit extra reach. I've got a longer road bike stem made by 'Deda' (I think Planet X)? and I was wondering if it will be strong ...
3
votes
1answer
71 views

What fork size is 32mm (inside diameter on the frame) considered?

Good day, I'm new to the whole bike building process, but I've finally decided to make the step and build a semi-nice bike. I've bought a really nice aluminium frame 2nd hand, but its sizing has me ...
2
votes
1answer
100 views

Another stem diameter question (French steerer)

The steerer in the French bike I'm restoring has about .2mm less diameter than "regular" ones. With some grease, I manage to fit the "regular" cinelli stem I will use into the steerer. (Mine is the ...
1
vote
1answer
223 views

Removing top cap and stem from Acros headset?

I recently bought a used Canyon Ultimate that has an Acros headset on it. I'm trying to remove the stem but for the life of me can't figure out how to take it off. The top cap doesn't have a vertical ...
2
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2answers
3k views

How can I move the handlebars on a mountain bike close to the rider without affecting handling and control?

I recently finished building up a mountain bike, with the help of a friend. My initial rides - a few miles, nothing too extensive yet - revealed that I need to move the handlebars a bit up and back ...
1
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3answers
776 views

Long Quill Stem?

I picked up a used mid 1990s Serotta Colorado CSI (lugged steel) bike. It is a size 54L which in Serottas from that era means it has a 54 seat tube but a 55 top tube. The size was not intentional, it ...
4
votes
2answers
1k views

What would be the handling of a bike with reversed stem?

There are short and long stems: What effect does changing the stem length have on my bikes handling There are flat bars and there are curved back bars for comfort upright position: There even ...
1
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2answers
429 views

25 degree rise stem vs 6 degree rise stem with taller head tube - how is handling affected?

All, I’m shopping for a new road bike with endurance geometry (more upright position and shorter top tube), 9mm drop saddle-to-bars. I’ve had a Guru fit done by a professional fitter. The main ...
0
votes
1answer
80 views

How to fit forks to fixie frame [closed]

I have just ordered a fixie frame with no forks. I will need to order a set of forks and cut them correctly (to the right size) so I can install my headset. Are there any tips/ tutorials on how to ...
2
votes
1answer
72 views

Bar diameter for Genesis Croix de fer 20 (2015)

I would like to switch my stem for angle adjustable one and I am having trouble identifying the clamp size for the Gensis, Croix de Fer 20 (2015). I do not see the stem/bar clamp spec listed. There ...
12
votes
1answer
7k views

What effect does changing the stem length have on my bikes handling

I'm finding that when jumping my mountain bike seems to be very nose heavy no matter how far back my saddle is. What effect will moving to a shorter stem length have? My bike, a Boardman FS-PRO came ...
5
votes
1answer
283 views

What are the advantages of handlebars with an integrated stem?

I was doing a bit of research for an upcoming handlebar purchase, and came across this strange piece of hardware -- handlebars with an integrated stem (or possibly a stem with integrated bars). So ...
1
vote
1answer
189 views

Switching from a quill stem to an stem adapter?

I have a bike I've owned for 15 years. The bike came with a quill stem, but now that I'm riding it more and more I want to buy a stem adapter. I'd like to raise the handle bar (presumably so I can ...
4
votes
2answers
327 views

Front wheel lifting on climbs on my Mountain Bike

I've got a full suspension XC/AM 29er mountain bike (Gary Fisher Hi-Fi Pro). I'm running a size small frame with an 80mm stem with about 7 degree rise. Bike seems like a good fit for me. I do run the ...
3
votes
3answers
1k views

Dropped the Wedge of a quill stem in the head tube

Trying to remove a seized quill stem and did a beginner's mistake of removing the stem bolt. I could not thread back the bolt. Is there a better way to thread back the bolt to the wedge for me to ...
4
votes
3answers
377 views

Would Lowering my Handlebars Help my Performance?

I ride now with pretty decent comfort, I have no real back/neck/shoulder pain. As I ride now I feel decent, but I feel as though I might be in too much of an upright position on the bike to get the ...
1
vote
1answer
649 views

Raising the bars on a stock Giant Escape Hybrid

I have a stock Giant Escape 1 Hybrid which I would like to raise the handle bars on for a more upright position. I'm looking for comfort not speed on my commute. Am I right in thinking the easiest ...
11
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1answer
1k views

Is it okay to flip a stem

The stem on my bike is at roughly negative five degrees. If I were to flip it upside down, thus making it positive five degrees, might I be putting pressure on parts of it that were not designed for ...
3
votes
2answers
2k views

Is it possible to replace a 1 1/8 steering tube with a 1"?

I have a 94 Giant ATX. Threaded 1 inch steeering tube. I need a shorter stem, and would also like to install a suspension fork. Is it doable? Could I take a modern suspension fork, heat the crown, ...
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votes
5answers
5k views

How do you make the handlebar stem straight?

I adjusted my stem height the other day, and since then, the stem hasn't felt straight. I've attempted to straighten it a few times, but because I'm just eyeballing it, the handlebars don't quite seem ...
0
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1answer
47 views

Stem diameter question

Changing to an adjustable Ritchey stem on my Trek 7.3. My bars are 25.4 and the stem I'm looking at is stated to be for 25.8-26. With this being half a millimetre bigger, will it still fit ok? Many ...
14
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1answer
7k views

How is stem length (reach) measured?

How is the length of a stem measured? Where does the measurement start and finish?
6
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4answers
426 views

Creaking when in the saddle

I know there are about a million questions on here about creaking while pedaling, but I haven't seen one that relates...apologies if I missed one. I bought a 2011 BMC Streetracer SR02 last year; ...
6
votes
1answer
417 views

How does a quill stem without a front bolt work?

Looking at quill stems I noticed this rather curious one and I couldn't imagine how it secured the handlebars without an apparent bolt. Any ideas? more images
1
vote
1answer
165 views

Adjustable stem issue

Hello I have a quill adjustable stem on a Raleigh Royale. (The bike is an absolute dream to ride, wonderful seat and great gearing) My issue is that the handlebars wobble, both front and back and side ...
2
votes
2answers
81 views

French handlebar fit

I have an Atax stem ('85 Peugeot). Original steel handlebars are 25 mm. Is it prudent to spread the stem to accommodate Nitto 25.4 randonneur bars?
2
votes
3answers
1k views

Replacing mountain bike bars & stem with drop bars

I have a mid-1990s Specialized Rockhopper. I've trashed the flat bars that were on it previously and I want to install drop bars, but to make that comfortable for me I'll want a shorter and higher ...
3
votes
3answers
2k views

Pedals hits the ground too often while turning at relatively high speed

I’ve been riding for 40+ years of which the last 25 I’ve ridden Specialized. Around April last year I decided to replace my old bike with a brand new Sirrus Sport, on an XL frame. While I love the ...
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2answers
736 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 ...
5
votes
4answers
3k views

Bike is slightly too large, shorten the stem?

I feel that my bike frame is slightly too large because I'm stretching out quite a bit even when on the hoods. I'm considering swapping out my 90mm stem for a 35mm or 40mm stem It seems like these ...
1
vote
1answer
363 views

Combining flat bar and aerobar: Double stem setup or alternatives?

I'm currently running a pair of clip-on aerobars (Syntace C2) on my long distance touring bike. I've set the aerobars up quite high, as for me they are not so much about the aero-part (though it still ...
0
votes
1answer
260 views

Can I use a 1“ stem on a 1 & 1/8” steer tube?

I have a Nitto Technomic stem that I'd like to use on a '92 trek 930 with the idea of converting it from a mountain bike to a poor man's expedition touring bike with drops. I found this shim that ...
9
votes
3answers
4k views

Is it safe to use a spacer that reaches above the steerer tube?

I have a spacer that reaches from the top of the stem and over the top of the steerer tube. I am able to lock it down with the top cap, but I was wondering if it is safe to ride like this, or if I ...
2
votes
1answer
351 views

Can´t remove BMX stem top cap bolt (won´t loosen)

I was trying to remove the handlebar and stem of my bike in order to be replace them. The bike has got a BMX stem and the top cap bolt is spinning freely in both clock and counterclockwise. Any idea ...
6
votes
2answers
5k views

What's the performance difference between a front-load and top-load bike stem?

I recently bought a bmx and after doing a few tricks on it, the front-load stem became loose enough for the bars to slide forward (they rotated towards me about the point the bars were connecting at ...
14
votes
5answers
3k views

Deterrents against partial (component) theft

Big question: Is there any way to increase the security of bolted on portions of a bicycle? Specifics: I cycle as my primary mode of transport (in East London) on a early 90s steel road bike with ...
5
votes
4answers
8k views

Getting the right cockpit position. Sliding forward. What should I adjust to keep my sit bones on the seat?

I am experienced rider and I'm looking for some advice on how to adjust my cockpit position. I am a daily commuter, and do regular 40-50k rides on the weekends, and with the warmer weather will work ...
3
votes
2answers
344 views

torque specification on headset

I was wondering why there is a torque specification on the steer tube end of the stem for mountainbikes. The torque specification that goes to the handlebar is reasonable, after all handlebars are ...
4
votes
2answers
2k views

Handlebar stem : height vs length

I want to decrease the reach of my handlebars. Does it matter whether I increase the height or get a stem with a smaller length(extension?) on my bike? And is there any way to calculate the relation ...
3
votes
4answers
5k views

BMX stem slipping; how to stop?

I recently bought a BMX bike that currently has all stock parts. Recently, with the school and weather, I haven't been able to ride it that much. Anyways, when I picked it up from the shop, the bars ...
2
votes
1answer
312 views

Replacing stem on non-oversize bars

I have a road bike from Circa 2003 and it currently boasts an ITM Millenium stem. The stem is a bit long for my liking at around 130mm and I was thinking of replacing it with a shorter one for a ...
0
votes
1answer
128 views

What could be the reason for stem this far away

I own a bicycle similar to this one: (I replaced the handlebars with straight one on mine) I know that there were some weird designs back in '90s, but some reason probably exists for creating a ...
1
vote
2answers
382 views

Screw cap stuck in adjustable stem connection, how to remove or reattach?

I was trying to detach my handlebar, because lowering was insufficient to make my bicycle fit in my box. I detached the long screw going connecting two lids thereby fastening the stem-handlebar ...
5
votes
2answers
9k views

Is it possible to compensate a short sized frame by adjusting seatpost and stem?

Could you achieve the same position you would have on a bigger frame by raising seatpost and stem? And how could I adjust those to "simulate" a bigger sized frame?
3
votes
2answers
893 views

New stem, bars & shifters on old Bridgestone 700

I recently bought a 1980's Bridgestone 700. I have trouble feeling confident on this bike between the narrow drop bars and the downtube shifter. This is my all-steel commuter and I'd like to put ...
4
votes
2answers
215 views

Installation of a shorter stem

I want to install a shorter stem onto my mountain bike, can I just swap them out or will I need to get the star nut replaced or reset?