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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2 votes
5 answers
425 views

Why aren't there more bicycles and accessories designed specifically for women?

Why are there not more bicycles and accessories designed to ergonomically meet the needs of the female body? I'm not talking dresses or skirts. A range of skeletal features differentiate the female ...
10 votes
4 answers
2k views

I'm an absolute beginner in bike touring, about to buy a bike. Is it worth it to hire a bike fitting service before the purchase?

I'm an absolute beginner in bike touring, about to buy a bike. Currently I'm using local shared bikes and I always wanted to start my adventures on a bike, camping and so on. Given this, is it worth ...
2 votes
2 answers
578 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 ...
1 vote
2 answers
139 views

Ergonomics - road cycling on mountain bike

I am new to cycling and have recently started to bike to work. The distance is about 20 kms each way and I find that by the end of it my lower back starts to hurt. I do work at a desk job and I ...
8 votes
5 answers
2k views

Healthiest bike posture for slower long rides

I'm looking for some evidence on bike posture and overall best positioning for healthiest rides that might be "long" (say around 30km) but also where speed is not a concern - think of ...
7 votes
2 answers
11k views

How to carry a step-through/mixte bike

How can one carry a bike with a step-through/mixte frame effectively?-- In comparison, any diamond-frame bike is a breeze for me to shoulder regardless of weight (okay, carrying a 25+-kg roadster is ...
3 votes
5 answers
169 views

Pain on bottom foot when freewheeling for a time in a gravel descent

One of my favorite touring routs is on a rural route. It is 15 km* long, I take about an hour to complete it since a part of the first half is sandy and I need to dismount to traverse it. At the 10 km ...
5 votes
3 answers
298 views

Is there an improvement braking from the hoods from Shimano Sora 3500 to Sora R3000?

I'm struggling to brake from the hoods on my first drop handlebar second hand bike although braking from the drops is fine. I read on this site somewhere that older Shimano Sora ergonomics were ...
0 votes
1 answer
129 views

Balance of leg muscle usage while riding out of the saddle

Minor changes in cleat and saddle position can greatly alter the amount of glute, hamstrings, quads and calf muscle that are used when cycling while seated. But is the same true of positions when ...
2 votes
1 answer
276 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 ...
7 votes
3 answers
550 views

Proper Posture for Preventing Painful Posteriors on Penny-farthings?

After riding relatively short distances (about five kilometers), I’ve developed a literal pain in the rear. I suspect the hard seat is the primary culprit, and I’m sure I’ll be able to replace with ...
14 votes
5 answers
2k views

Correctly and incorrectly mounting a bicycle

I am very fond of mouting bicycles this way: Stand to the left of the bike. Put the left foot on the left pedal. Push forward with the right foot to set the bike in motion. Swing the right leg ...
7 votes
2 answers
10k views

Contradiction! Which back posture is correct for road biking?

It might be a basic question but I have searched and find no same question. The question is... There seems to be contradiction about the back posture for road biking. Some people suggest arch-...
23 votes
8 answers
834 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 ...
6 votes
5 answers
7k views

Can I install an upright handlebar (curved towards me) on a touring bike?

I bike around the city on a daily basis, usually for short distances (5 km tops, typically less than that). I currently have a cheap, battered down touring bike that is nevertheless doing the job ...
48 votes
9 answers
186k 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 ...
1 vote
1 answer
2k 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 ...
1 vote
2 answers
516 views

Will short arm crank conversion work for me?

I own an 18 speed "Columbia Journey Comfort Bike". Since having 2 knee replacements I find that I do not have enough knee bend to pedal. I have raised the seat & still cannot even do one ...
2 votes
3 answers
210 views

Don't like upright position so which bike should I choose?

Hi I used to cycle quite a lot and about 26 years ago bought a men's trek singletrack 970 which I loved. That eventually got stolen, and I haven't ridden for many years, but when I tried out some ...
1 vote
1 answer
201 views

How to adjust hydraulic disk brake lever reach during bleeding?

During a crash I have bent my adjustment knob on Sram Code brakes and now after bleeding the lever is a bit too far away for my liking. The knob is bent and can't be turned. If I'll reduce the ...
0 votes
1 answer
85 views

Neck and shoulder discomfort [closed]

I have a Raleigh Strada hybrid with flat handlebars. Have recently been getting some discomfort in the neck and shoulder area which I suspect is down to poor posture on the bike. Are there any ...
2 votes
6 answers
3k views

The palms of my hands really hurt

I understand that the pressure on my hands causes it. I also understand how the nerves run through my hand. What I don't understand is how to implement the advise of, "Take the weight off your hands" ...
1 vote
1 answer
145 views

How should a bicycle fit? [closed]

What are the characteristic features of a bicycle well-fitted to its rider? Are there a standard set of "rider positions" that we talk about in bicyle ergonomics? What are the standard tolerances ...
8 votes
3 answers
180 views

Bicycle design for a crooked hip

One of my hips turns out a bit more than it ‘ought’ to. It doesn't affect my walking, but on a bicycle it means that my knee on that side must transmit force at an unnatural angle. It was less of a ...
9 votes
5 answers
3k views

How to prevent my bike from tipping over when using just one pannier?

I often carry gear in a pannier on my bike rack, as in the photo below (not my bike, but same pannier design. My actual bike frame is very different; I'll upload my own picture tomrrow): I have two ...
7 votes
5 answers
8k views

Cycling position for commuting

I'm looking into buying a commuter bike. Observing other bikers I see some are hunched over their bikes and some are almost vertical. What is considered the best position for commuting? [I will be ...
11 votes
5 answers
42k views

Securing sliding bar grips without hair spray?

I have some Bell anatomic handlebar grips that tend to slide (rotate) on the bar. I've read that using hair spray is useful, but tends to be rather permanent. I'd like to make the grip tackier but not ...
0 votes
1 answer
168 views

Calves overcoming glutes function, is this a set up problem?

I've noticed that I usually become really tight calves while my gluts don't work at all. It is specially so when I accelerate in my singlespeed while I'm stand up or when I climb. Sometimes I get my ...
7 votes
3 answers
667 views

Are recumbents good for your back?

I am in my late 40s and yes I have a sore lower back. Most likely from too many bicycle rides on incorrectly sized / fitted bicycles. I am thinking of getting a recumbent for my daily commute to work. ...
8 votes
3 answers
8k views

Should one buy a used Brooks saddle that is already broken in?

I understand that Brooks saddles (and similar leather hammock/sling style saddles) break in as they are used so that they conform to the particular shape of a riders sit bones, crotch, etc., and that, ...
1 vote
3 answers
176 views

Which kind of bicycles is better and comfortable for shorter communtes, 4-5 km daily

This kind straight handles or this kind?
41 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:...
5 votes
4 answers
2k views

Recommendations on how to make grips more comfortable?

I find that on longer rides on my Trek FX3 that my palms (particularly my right palm) go numb from the pressure I am exerting on them. I appreciate that part of this is related to my posture and the ...
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 ...
9 votes
2 answers
267 views

How do I make sure I'm sitting straight on a recumbent?

I have recently (at the time of original posting) taken up cycling a recumbent (a now discontinued Azub Eco 20" bicycle). My perineum thanks me, but immediately after a ride I feel a bit lopsided (...
1 vote
2 answers
173 views

ergonomically sound seat types or features?

Are there seat types or seat features that are ergonomically better for certain kinds of ailments such as lower back pain, knee pain, etc.? For example, perhaps cushioned seats might be better for ...
6 votes
3 answers
569 views

Is a fitting worthwhile for me?

I'm a guy with banged up knees. I'm trying to decide if it is worthwhile for me to splurge for a high-end bike fitting or go with a more ordinary fitting or skip getting a fitting altogether. ...
2 votes
1 answer
376 views

Correct sitting posture for my bicycle

I recently bought the below bicycle 26 inch https://www.trackandtrail.in/cycles/mach-city/ibike-7-speed/ My Height is 5:11, after riding for one week i started feeling pain at upper back below ...
13 votes
7 answers
7k views

How many fingers on the brake lever?

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 ...
18 votes
9 answers
7k views

How can I keep my feet from falling asleep while riding?

I have mountain bike shoes and clipless pedals. When I go on long rides, my feet fall asleep and then very, very painfully wake up (on my most recent long ride, this started happening after 30ish ...
7 votes
4 answers
3k views

How to fix raised shoulder posture?

When riding, I have found myself in a posture where my shoulders are raised (like a shrug). I assume this is a bad posture. When I notice it, I correct myself. However, sometime later I might find ...
27 votes
7 answers
4k 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 ...
4 votes
3 answers
1k views

Potential risks of sitting upright on the saddle during a daily commute

I ride my bike to work Monday through Friday, about forty minutes both ways. The elevation changes a bit but not too much. I'm not a huge fan of holding the handlebars, and I often ride with no ...
12 votes
3 answers
2k views

Why are foot-long pedals not widely used?

A lot of effort and resources go into making cycling shoes stiff, presumably to keep the foot in a suitable shape and spread the force across the sole. It seems like it would be possible to achieve a ...
6 votes
3 answers
602 views

How to handle vibration (big bumps, etc.) on flat bar when touring?

I've got a fully-rigid mountain bike with flat bars that I'll be using on a 150 mile bikepacking trip on a "rails to trails" trail. So it'll get a bit bumpy. My hands get a little sore from all the ...
5 votes
4 answers
904 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 ...
11 votes
5 answers
14k views

I feel long rides exclusively in my quads, should my calf muscles be doing more work?

I notice a lot of cyclists with massive sculpted calf muscles, especially the kind that clearly ride as a life-style without worrying about minimizing body weight. I've switched cities, and gone from ...
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 ...
12 votes
5 answers
5k views

Did I choose the wrong size bike?

I don't know much about bicycles, and I have relatively little experience with them. I bike for fun, or to get around the city, not for sport. Recently I bought a BTWIN Rockrider 340 mountain bike, ...
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 ...