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Questions tagged [ergonomics]

For questions about the ergonomics (human factors) of cycling and related activities, mostly related to the positioning and motion of the body and its joints to avoid injury and increase comfort and performance.

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42 votes
3 answers
7k views

What is the optimal cadence?

I have heard that one ought to turn the pedals at 90rpm. However, I do so much slower, especially while standing, and would like to understand the argument behind this number (or any other number). So:...
Vorac's user avatar
  • 13.7k
36 votes
8 answers
15k views

How do I determine the correct position for my bicycle seat?

I have been suffering from IT band problems on my outer knee, which I'm pretty sure were caused by raising my seat height too much. I raised the seat on the advice of a friend who said that a higher ...
ire_and_curses's user avatar
50 votes
9 answers
193k views

Is it possible to measure your sit bones at home?

Some bike shops have gel pads that you sit on to measure the distance between your sit bones. Is it possible to take this measurement on your own at home, or does this really require special-purpose ...
amcnabb's user avatar
  • 7,125
11 votes
3 answers
6k views

Is adjusting the angle of a drop handlebar a viable way to reduce wrist pain?

Those who spend a lot of time typing on a computer keyboard or playing on a music keyboard (piano, ..) learn that their wrists should remain as straight as possible. The idea is that the tendons that ...
Sam7919's user avatar
  • 9,246
15 votes
2 answers
7k views

At what height should I have my seat on a road bike?

I am currently riding a loaner from my brother in-law, and I have set the seat height based upon feel. I was wondering though as to how I can set it to the right height for me to ride more ...
Anthony K's user avatar
  • 6,243
27 votes
7 answers
5k views

Recommendation for panniers used off the bike a lot

I'm looking for panniers. I mostly just potter around town, and am not planning any cycle touring so my main criteria is that the panniers should be easy to carry around off the bike. Built in ...
Hamish Downer's user avatar
20 votes
9 answers
9k views

How many fingers on the brake lever of an MTB?

I have seen people stop with one finger, two fingers or the whole hands on the levers. Is there a recommended number of fingers on the brake levers when stopping/anticipating an emergency stop? Do ...
Vorac's user avatar
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11 votes
4 answers
5k views

Should I use a narrower saddle on a road bike than I would on my hybrid commuter?

I ride a hybrid (Trek Fx 7.3) as a daily commuter and have found a 143mm saddle to be the right width for me. However I am looking into getting a road bike for long rides and am finding 130mm ...
STW's user avatar
  • 2,569
23 votes
8 answers
872 views

How to choose a bicycle seat

I'll need a new saddle for my bike soon. I use it mainly for short commutes (30 minutes). About once a year I go touring for a few days, up 8 hours in the saddle. My current saddle just came with the ...
Kevin's user avatar
  • 2,892
8 votes
2 answers
23k views

Proper Posture on a flat bar road bike

I've been commuting on a flat bar road bike for a couple of years now. The ride feels comfortable but whenever I see myself riding I always think my posture is wonky. Is there a guide somewhere or ...
hhafez's user avatar
  • 183
5 votes
4 answers
1k views

Custom bike to offer smoothest possible ride on bad roads

So, I am in a peculiar situation - due to an injury, shaking in any direction leads to pain and my condition is improving very slowly. I'm looking to find/customize a bike so that it offers me the ...
Anton's user avatar
  • 53
4 votes
4 answers
7k views

handlebar setup/selection to mitigate wrist pain on multiday rides

On my first multi-day bike tour the only physical trouble I had after a several long days on my bike was pain in the wrists. My current touring bike setup has drop bars with a long fork. I chose the ...
yep's user avatar
  • 141
3 votes
5 answers
8k views

How is bicycle fit affected by switching from a riser bar to a flat bar?

I have a 2009 Kona Dew that comes with handlebars that have a rise in them. I've noticed that I feel pretty upright while biking so I'm looking to get into a more aerodynamic position. Looking at ...
Soo Wei Tan's user avatar
2 votes
2 answers
619 views

What are, if any, the signature postural differences between riding a 26″ bike and a 29″ bike?

Briefly One way of asking In the video accompanying Michael Jackson's "Black or White", people of various ethnicities are morphed to one another. Suppose you are looking at someone riding a ...
Sam7919's user avatar
  • 9,246
1 vote
2 answers
1k views

Can I put my 2.1" 29er tires on a wheel with 25mm inner diameter?

So I broke my second front wheel last night when I hit a dip that rose too quickly for my wheel to climb before all my weight went behind it. I'm a big guy (300+ lbs), so my wheels need to be able to ...
Patrick's user avatar
  • 236
1 vote
1 answer
3k views

Options to reduce reach on a gravel bike

I bought a 2020 GT Grade shortly after the pandemic hit. Bought it online, no test drive. It was a bit of a risk, but it seems to fit well enough with one exception: the reach feels a bit long. When I ...
BostonGravel's user avatar
1 vote
1 answer
656 views

What is the matter with this Shimano disc brake lever?

I got the BR-M445L + BL-M505L a month ago. I am new to hydraulic disc brakes, so I can't tell if there is any problem with air in the system or other problems. Asked a mechanic and he said the brake ...
Vorac's user avatar
  • 13.7k