The stem tag has no wiki summary.
0
votes
0answers
27 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 ...
3
votes
5answers
811 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 ...
0
votes
2answers
92 views
Upgrading my cockpit- brakes, stem and bars for longer reach
I want to upgrade my cockpit so that I have a longer reach. I currently use it as my city bike. Its an old vintage HR bates frame. Currently the stem is a little short. I want to change the bars - ...
2
votes
2answers
103 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 ...
2
votes
2answers
221 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
2answers
85 views
Rust proof or not the outside of a steel steerer column beneath the stem
I have a new steel frame which I am building up. I intend to rust proof this first by using Waxoyl made by Hammerite which I will use on the inside of the frame and forks.
Should I use this on the ...
5
votes
3answers
170 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
3answers
229 views
Do all stems have the same stack height for the steerer tube clamp?
Does the height of the steerer tube clamp differ between stems, or is there one standard height used on all modern mountain bike stems? In my particular case I want to replace the stem on a mountain ...
3
votes
1answer
297 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, ...
2
votes
1answer
242 views
Geometry between 50mm stem and a 65mm stem and riding experience
Will I notice much difference beside just having a slightly longer cockpit between my seat and fork if I upgrade from a 50mm to a 65 mm stem? is this 15mm a significant enough adjustment to make my ...
3
votes
2answers
166 views
What brand is this handlebar stem?
I just purchased a used bike recently and I am curious to the make of my handlebar stem.
Would anyone be able to identify the brand logo?
11
votes
4answers
735 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 ...
4
votes
2answers
303 views
How deep does a quill stem need to be inserted?
I have an old road bike with a quill stem and I want to raise the stem. After raising it to where I want it, the stem has about an inch between the high end of the expander nut and the top of the ...
3
votes
2answers
184 views
Front wheel getting misaligned while climbing hills
I've got a single speed bike with bullhorn handles. When I'm climbing steep hills I pull on the bullhorns quite hard, and once I'm back on a flat I'll occasionally find that the front wheel has become ...
2
votes
1answer
2k views
Measuring stem clamp / handlebar diameter
I have a new-ish Bianchi Cortina hybrid that I'm trying to find suitable drop bars for, but I can't figure out the proper size to get. It seems like the bars mostly come in 25.4mm, 26mm and 31.8mm. ...
7
votes
3answers
2k views
Attaching a stem to a carbon steerer: how much torque?
So I decided to travel with my bike this week and to my surprise discovered that the steerer is carbon fiber. I had removed the stem from the steerer for packing but naively assumed it was aluminum ...
3
votes
2answers
2k 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 ...
2
votes
2answers
826 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 ...
2
votes
2answers
268 views
how much can i raise my stem?
I've got one of these stems:
It's currently fully inserted into the bike, and it's too low for me.
Can I simply loosen it, raise it 5cm and tighten it again?
What's the minimum length that ...
2
votes
3answers
4k 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 ...
2
votes
2answers
501 views
New 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 ...
9
votes
1answer
881 views
How is stem length measured?
How is the length of a stem measured? Where does the measurement start and finish?
9
votes
1answer
3k 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 ...
