Questions tagged [bike-fit]

How to get the right sized bicycle for you or adjust your bicycle to fit you better.

Filter by
Sorted by
Tagged with
1
vote
1answer
47 views

Road bike frame sizing

I found an old racing road bike with a 50 cm frame. I would like to build it out and use it, but I am concerned it may be too small for me. I'm 5' 7.5" and I think I should be riding a 54 cm frame, ...
1
vote
1answer
37 views

How do I adjust my child's bike shown in this video to improve fit and comfort?

Timeline Provided because I learnt a lot in the process My 5yo daughter has started growing out of her Apollo Petal with 14" wheels and an upright position typical of a child bike. Basic research ...
15
votes
3answers
4k views

How do you adjust the set-up of road bike brakes for women with small hands

My girlfriend has recently bought her first road bike. While the frame size is pretty much spot on and comfortable for her, she finds that the brakes are difficult to use and she ends up with pain in ...
7
votes
7answers
2k views

Is my bike a good fit?

I am a woman and I have been wanting to get into cycling. A few summers back I bought a gravel bike. I bought it new from a local bike shop that I trusted. The bike was considered a 'medium' (5'6-5'9 ...
1
vote
2answers
73 views

What adjustments can you do to prevent psoas tightness in an aggresive postion on a road or track bike?

I have been paying attention to my own body and I feel that together with a sedentary job and not moving more than with the bike due to the COVID restrictions, I spend a lot of time in that shortened ...
1
vote
0answers
37 views

Would too small of a mountain bike frame cause lower back pain?

I'm just under 6' 2" and recently got a Large transition patrol. I'm right on the cusp of needing an XL frame. Anyway, I had a Large patrol before and am noticing now as I did then that my lower back ...
16
votes
11answers
92k views

What are the advantages and disadvantages of riding a smaller Mountain Bike frame?

I am 182cm (5' 11'') tall and am looking into buying a new frame for my mountain bike. Right now i have a 19'' frame and i found a good deal on a 17'' frame. The guy from the shop told me that it ...
1
vote
2answers
288 views

I'm a 5'9 male- is this 51cm frame road bike too small?

looking to get into this and after a fair bit of looking I've found this bike. Photos here: https://www.gumtree.com.au/s-view-details.html?adId=1245748386 It says 51cm frame and Medium, but ...
8
votes
3answers
2k views

I think I chose the wrong road bike size

I went to a local bike shop a couple days ago and picked up a road bike. I think I chose the wrong size. I bought a medium size instead of a small. I’m 5’7 and I feel comfortable during the first two ...
2
votes
1answer
45 views

Hybrid bike size issue.. help?

in need of help. Looking at buying a hybrid bike. Anxious on getting the correct size. Different sites say different things for the size I require. The bike I’m looking at is the carrera subway 1 men’...
11
votes
6answers
18k views

What are the advantages of filling tires with Nitrogen instead of air?

I am completely new to riding bikes and know that are usually filled with air but nowadays some people fill them with Nitrogen instead. I don't know why they prefer to fill their tires with nitrogen ...
3
votes
4answers
373 views

Short inside leg body: smaller frame?

I have a bit of a disproportionate body. I am 176cm (5'9") tall, but my inside leg height is only 76cm (2'6"). I want to build a fixed-gear bike and I am looking for a frame of the right size for me. ...
17
votes
7answers
11k views

Setting up a bicycle for someone with restricted knee articulation

My father, now in his 70's, had a left knee replacement several years ago. He has limited movement in that knee - probably about 85 degrees on a good day. His knee can extend fully, but cannot bend as ...
35
votes
15answers
165k views

Is it better to have a slightly big or slightly small bike?

I'm planning to buy a Scott Speedster S30 (This is my first road bike) and I'm looking at the size chart. I'm around 177 cm tall, and this fits exactly in between the M and L section. Just wondering, ...
2
votes
2answers
4k views

Should/can I return a new bike that seems too big?

First off, this is my first road bike. I did quite a bit of researching and read lots and lots of guides/tips on how to choose the bike you want and all of that. The problem is that you can't really "...
17
votes
19answers
19k 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 ...
5
votes
2answers
2k views

Can I swap BMX wheels for a larger size?

I am a 5 foot 10 inches 14 year old boy who would like to get into riding a BMX. So if I was to buy a BMX with a certain size wheels, can you swap them for bigger wheels
5
votes
3answers
2k views

Is my saddle at the correct position?

I am trying to determine if my saddle is setup right. In the picture below, my feet is at 9 o'clock and the improvised plum line that starts under my knee cap (hard to see, spot the white line ...
2
votes
1answer
95 views

Building a 700c bike. Hub sizes

Trying to build a bike on a cyclocross frame. So the wheel will be 700c. Need hubs. Fork size is 100x15 with thru axle. Rear drops size 142mm x 12mm thru axle also. So it means I need any hubs which ...
3
votes
3answers
602 views

Alternatives to shorter cranks for knee pain

I've recently developed pain at the front of my knees when cycling. I suspect this is caused by, or at least made worse by, my bike having cranks that are too long for my leg length (172.5mm cranks ...
1
vote
1answer
119 views

Bike Fit for 5'3" (1.60m) woman, 47 or 51 cm?

My issue is that I have a 51 cm Cervelo, but the reach is too far. I've tried changing out handlebar stem to shorter/angeled, spacers and smaller handlebars. That helped some, but still a little too ...
3
votes
1answer
359 views

Balance bike: fitting smaller wheels

I'm building a balance bike for a daycare kid. He is tall so I have a longer frame for him, but I think the tires might he too big. Can I put 12.5" tires on forks for 16" tires?
0
votes
0answers
55 views

Bugging out on bike fit frame size

I recently upgraded to a new bike (Tarmac 2019) and got a size 58. I also got a bike fit by a local fitter. When we finished the fit there were a few tweaks including moving the saddle up several cm (...
0
votes
7answers
638 views

Choosing the right size frame

I'm planning to buy a bike. Based on my height (I'm 5 foot 6 inches / 167 cm) people suggested me to go for anything between 17"-18" frame. When I calculated its coming as 17.5" My dilemma is if I ...
1
vote
2answers
1k views

Should I choose 26“ or 28” size BTWIN Triban 100 with dropped handlebar?

My height is 5 ft 9.5" (176.5 cm). I went to Decathlon and tried out both the 26" and 28" bicycles there. Both sizes felt comfortable. But I cannot really tell unless I ride for a long distance. I had ...
26
votes
5answers
73k views

Should my foot be able to step flat on the ground, when I sit on a bike seat?

I was wondering, for a correctly sized mountain bike, or hybrid, should I be able to place my foot flat on the ground, when I sit on the bike seat?
7
votes
5answers
3k views

Adding gears to my grandson's 12" bike

My grandson has the kind of bike you pedal backwards to brake, and he goes riding with me on my days off. Yesterday, he asked me if we can convert his bike because we have looked everywhere and no ...
20
votes
13answers
10k views

How can bum / testicle / inner thigh pain from a saddle be prevented?

I occasionally commute a 50miles round trip and by the end of it, things are usually not feeling very good down below. I've tried a couple of different saddles, but they both gave me problems. One ...
1
vote
1answer
58 views

Replacing broken road fork with same model but shorter steerer tube. What can I expect for handling issues?

My road bike is an '05 Trek 1000 54 cm frame size. The Bontrager carbon fork (Satellite Plus) was destroyed in a non riding accident. I have found on eBay a replacement fork--same model , identical ...
0
votes
0answers
131 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 ...
0
votes
1answer
1k views

Mountain Bike has 26 x 2.125 Tires on, Can I Fit 26 x 1.95? [duplicate]

My mountain bike has 26 x 2.125 tires on it and I am ordering new 26 x 1.95 tires. Will these be okay to use? What issue might this cause? Or will the difference be negligible?
0
votes
1answer
137 views

Can moving cycling cleats forward be a good way to train our calf muscles?

A good bike fit is known to increase power transfer and endurance because it balances our muscle groups. Interestingly, bike fitters often recommend moving the cleats back to put less load on our ...
0
votes
2answers
295 views

Would longer axle to crown be ok?

I have a Trek 820 2014 26 inch for which I had the lbs convert to rigid fork. The original suspension fork was a suntour m3030 which the manufacturer states has a 63mm travel for my bike size. I lost ...
1
vote
1answer
121 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 ...
1
vote
1answer
307 views

Is a 22 inch road bike appropriate for a 5'9" person? [closed]

I am admittedly a beginner and looking to purchase a used single speed bike just to casually use around the neighborhood. I came across this listing: https://nashville.craigslist.org/bik/d/...
1
vote
3answers
969 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 ...
0
votes
1answer
646 views

Bike size advice Bianchi vs Cannondale

I have been after a Bianchi Via Nirone 7 for more than one month and an half without much success. The main reason is that they don't produce many 47cm frames, while 47cm would be my optimal size. In ...
0
votes
3answers
142 views

Anything wrong with using MTB saddle on hybrid bike

I'm been having problems with fit on my hybrid. When I spend around 1hr on the saddle I start to get pain in the left prostate. I can no longer ignore the problem because I plan to do C2C. Right now ...
1
vote
1answer
243 views

Since seat tube angle has little effect on max power output, why not adjust the reach with saddle setback?

According to this article, a seat tube angle between 65 and 110° has little effect on max power output. At most, it varied 1%. https://www.me.utexas.edu/~neptune/Papers/jab26%284%29.pdf Adjusting the ...
3
votes
4answers
104 views

Fitting question for first trekking bike - differences in stack and reach

I understand this might be a pointless/dumb question, but as an bike freshman, I am confused: Trying to select an entry level first bike (cross/hybrid) and so far I'm between two of them (local EU ...
36
votes
9answers
139k 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
1answer
292 views

Posture on mountain bike long term

I have been looking at sizing guides because I'm contemplating ordering a new bike and found out that I'm the totally wrong size for the bike I actually have. I'm normal proportions and 5 foot 7, but ...
5
votes
7answers
20k views

Starter Road Bike for Tall Man [closed]

I'm a marathoner that is interested in mixing in some duathlons and triathlons, but I am having trouble finding a starter bike (< $1500) made for a tall man. I am 6'6". Any brands and models that ...
4
votes
4answers
3k views

I have a hybrid bike which the frame is too big, is there any modifications I can make to make it more comfortable?

I bought a hybrid bike from halfords around 6 months ago, however i have only recently had chance to ride it. I have found that the frame is too big, they wont exchange or give me a refund. I was ...
2
votes
4answers
3k views

Saddle position for a long steep climb

Various sources indicate that when climbing to slide back on the saddle. In about a month I plan to attempt Whiteface Mountain with its 13 km at an 8% grade. If I manage this climb I will be at my ...
0
votes
2answers
266 views

New bike but no idea on inner tube size

I bought a new bike a few days ago, Cannondale Bad Boy 3 2019 which gets delivered in a few days. https://www.cannondale.com/en/Europe/Bike/ProductDetail?Id=7f48452b-f9eb-4e10-89e7-4a7550944bfa ...
8
votes
2answers
4k views

How come some cyclists lean forward at a 45 - 60 degree angle and I don't?

I just wanted to ask how come some cyclists when they ride they lean forward, with their arms straight, resemble a 45 to 60 degree angle (which looks cool by the way). I have a hybrid bike and I wish ...
1
vote
2answers
194 views

What is the proper placement of the feet on the pedals when viewed from the top?

When placing my feet on the pedals with the balls on it, the outer part doesn't fit the pedal anymore. If I moved the foot backwards, the pinky would not be on the pedal anymore. I wonder if that is ...
14
votes
11answers
22k views

Pins and needles in my fingers after long rides

I've started to get pins and needles in my little finger and the finger next to it some times after riding for over an hour. The roads are quite rough and vibrate my handle bars quite a lot. I also ...
2
votes
2answers
143 views

Can wearing padded cycling shorts versus regular shorts affect the adjustments during a bike fit?

Can wearing padded cycling shorts versus regular shorts affect the adjustments during a bike fit? My bike fitter who uses the Retul system requires tight fitting shorts so that the LED markers don't ...

1
2 3 4 5