Questions tagged [bike-fit]
How to get the right sized bicycle for you or adjust your bicycle to fit you better.
340
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Do increasing flexibility affect bike fit?
Lately I have been train to stretch, few weeks ago i even cant touch my toe.
Before my stretch training, my roadbike feels good NO PAIN at all even for long ride. My position i bit upright, because i ...
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2
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Advice on Sizing - Vitus
I am relatively new still to cycling in general, I bought a used large frame EMTB earlier this year which was great but clearly too large and I am now selling.
I am looking to purchase a Vitus E-...
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3
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Can a bike fit compensate for 10-30mm deviations in reach and stack from a known, comfortable bike?
I find the Trek FX Sport 4 to be comfortable but much less fun to ride than the Specialized Sirrus 4! Unfortunately, on the Sirrus I feel like I'm arching my back and want to reach further forward. ...
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I inherited a new bike; when I coast my leg shakes and that thigh burns. What is going on?
My mom bought a brand-new Fuji road bike a few years ago - but because she only used it a couple times, she's now given it to me (female, 31). She's a few inches taller, so I adjusted the seat level ...
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votes
1
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Can I add headset spacers below an adjustable stem?
Can I add headset spacers below an adjustable stem, specifically the Promax A-headset stem on the Cannondale Adventure 1? I want to change the stock handlebar to something with more sweep, but most ...
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4
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1
answer
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Which geometry specifications determine the seating position of an MTB?
MTB manufacturers release geometry data for their bikes. If I want to know if a bike has a more upright or stretched position, which geometry data do I have to compare?
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Saddle fore-aft compensation in relation to crank length change
I've found a few questions which answer the question of saddle height changes in relation to a change in crank length, however I haven't found any questions relating to compensatory changes in fore-...
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Help me choose a new bicycle size having different geometry
My current bicycle is Triban RC 500 size L (56): https://www.decathlon.co.uk/p/road-bike-triban-rc-500-disc-brake/_/R-p-308097
My hight is 185cm by leg inseam is 90cm.
I am looking to buy Bianchi ...
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2
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Struggling to get comfortable on bike
I have been fitted on different bikes many years ago and was never completely satisfied to the point that I am not moving around in the saddle. I have since gotten a different bike with slightly ...
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Should saddle height be changed in relation to different crank arm lengths?
I have two mountain bikes, one of them is 26" with a 170 mm crank arm length and the other one is 27.5" with 175 mm crank arm length. I've adjusted the saddle heights of the two bikes as ...
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Does it really matter if my stem doesn’t block the hub?
6’3” tall
Bianchi via nirone c2c Alu carb 2010 bike.
I got hit by a car and am just rebuilding this bike so I can ride (the other one was totaled). The 120mm stem on it made the steering very skittish....
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Is a dropper post a good solution for sharing a bike between two riders?
We have an e-bike with a step-through frame that's shared between two riders with fairly different heights (5'8" and 6'2"). It's used for commuting, kid-toting, and general short-mileage ...
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1
answer
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Numbness - Is my bike fit ok?
I have been enjoying road cycling for a couple of seasons now, but I have yet to find a good solution for the perineum numbness I am experiencing. By shifting around and standing up I can somewhat ...
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Is it possible to compensate a small frame size with a long stem and high saddle height?
I'm 174 cm (5 feet 8½ inches). Major bicycle manufacturers recommend a medium or medium to large frame size MTB's with an effective top tube length of 59-62 cm for my height. However my bike (a 26&...
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2
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Can large bike size will be solved by replacing the crank arm with a longer length?
I recently bought a carbon fiber bike and the size is a bit big, it's sava phantom3.0 56cm ,but I love the bike and don't want to wait too long for small size bike, would a longer crank arm be a good ...
2
votes
2
answers
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Aftermarket options for adjusting Giant Aero Bars angle
I have this Giant 2016 Trinity Pro that I'm trying to make some adjustments to. Currently the stock aero bars stick almost straight out and I'm not super happy with that position. I've really liked ...
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3
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Riding out of the saddle and bike size
When I try to ride out off the saddle on my MTB I can't ride more that few pedal strokes. It feels like my body weight is not centered (more on the front side). Does it mean that my bike is small for ...
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2
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1
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833
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Does my gravel bike fit me?
Hi does this bike fit me? Im 5’7 (1.7 m) with a 31 in (79 cm) inseam on a size medium
17
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I am trying to find a trailer for a disabled adult
My sister is disabled and she wanted me to try to find something I could use to pull her behind me when I go for a bike ride....I might have to look at an electric bike to be able to do that...but I ...
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Should one's bum be behind, or merely over, the lowered saddle on steeper descents?
Where exactly does your bum go on steeper descents? You lower the saddle (by all of the 120-150 mm it will go); and you pull as much of your weight as far back and as low as you can go to decrease the ...
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Cycling jargon: "relaxed geometry", "slack geometry", and "aggressive geometry"
In one sentence…
What is the meaning (and for which parts), the implications, and, if possible, the etymology of these three terms?
In more words…
When I hear this bike has more aggressive geometry ...
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Can I think of bike fit purely as bike ergonomics, or is there a distinct or an additional aspect to the choice?
I used to take a simplistic view of choosing a frame size. It boiled down to choosing the largest frame that gives me sufficient top-bar clearance.
On both road and MTB bikes, I can ride long ...
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2
votes
1
answer
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Handlebar measurement causes pain
My handlebar size is 40mm. However I tried the a 42mm bar and it was comfortable but the reach is too long. So I changed the bar from 42mm/95mm reach w/80mm stem to a 40mm/75mm reach w/80mm stem. I ...
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Are they called handlebar "upsweep" and "backsweep" because only one quadrant is usable?
The title says it all. Are the two rotations of MTB flat bars (question updated in italics) called
"upsweep" and "backsweep" because only one quadrant is usable?
Is there never a ...
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2
votes
1
answer
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Specs to take into account when changing frame on Enduro MTB
The frame of my Enduro MTB is cracked and needs changing. The bike is 10 years old so I will look for a second hand frame and I'd like to be able to use as many of my current parts as possible.
What ...
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1
answer
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Adaptative Pedal or crank for a handicap user
I encountered a person with a disability in one leg. They are unable to control their ankle/heel movement. They are unable to maintain their foot parallel to the floor at the top of the pedal stroke (...
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Bike measurements for a short stubby guy
I have short legs and a 27 inch/68.5cm inseam. I am 5'6"/1.68 m tall, and I am looking to get back into exercising.
I was wondering what bike measurements for a road bike I would be looking for ...
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Giant TCR advanced ( 2016 ) Carbon Seatpost
I have been considering making a foray into road bikes and ended up picking up a pretty pristine Giant TCR advanced 2016 bike for a bargain. I bought a size M and ended up figuring out that I actually ...
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Do smaller riders tend to need a wider saddle?
I was looking at Trek's website and noticed that on some of their bikes they spec a wider saddle for small sizes. This is on one of the 2021 Checkpoints.
Is this a general rule of thumb, that shorter ...
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1
answer
775
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My arms hurt when riding
My lower back bends a lot and the weight goes to my arm. What is the problem?
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Tradeoffs of larger/smaller bicycle sizes
Due to the supply chain issues of the past couple of years, it has become difficult to find the ideal bicycle locally. More and more people consider purchasing online, which means that they cannot try ...
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How should clip on aerobars be adjusted to the user?
The context here is an endurance setup, with a fit optimised for the hoods/drops. Clip-on aerobars are being fitted to give an additional hand position especially into sustained headwinds; this very ...
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11
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3
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Does a bike fit "carry over" from one bike to another?
If I would pay for a professional bike fit right now for a road bike, and I get a new road bike after a while, can I somehow translate the fit from my current bike to the new one (either by myself, or ...
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Do I have the right Orbea Orca Aero 2022 frame size?
I have recently bought an Orbea Orca Aero 2022.
After a visit to a bike fitter, he recommended that I get a 53cm frame with a 90mm stem and 172.5mm cranks.
However, after receiving the bike, my first ...
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4
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5
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How to choose frame size as a non-flexible person?
I've been commuting regularly to work during the last four years and I would like to get a road bike to replace my old city bike and enjoy some cycling on the weekends. I've been looking which bike ...
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1
answer
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Does a smaller than recommended frame size cause problems?
What problems, if any, should I expect from an undersized frame, and how small would the frame have to be before these issues occur? For the sake of the question please assume an older steel diamond-...
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0
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question is can I put 27.5 rims/tires in place of the 29ers [duplicate]
I currently have a motobecane 29er, and it is to tall and beyond time i can exchance it, question is can I put 27.5 rims/tires in place of the 29ers
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How do I determine a suitable handlebar width on a fatbike?
Fatbike owners seem to be fond of using lavishly wide handlebars. They also don't just go from 640mm or 660mm to 680mm or 700mm, but often to 720mm or 740mm. I'm assuming their shoulders couldn't be ...
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Would a Rockefeller custom-build a frame? (If money were no object, is a custom frame always preferable to stock)
Even more briefly
Suppose you're a Rockefeller. In other words, money means nothing to you, and a 100K-250K bill is an insignificant expense. You select a bike model and find you are between two frame ...
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1
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Making bigger steel frame smaller
i bought old Peugeot carbolite 103. With size 60cm which is very big for me, so I have an idea to cut it to 50cm. Do you think it's worth it and the risks?
Edit: Guys thanks for the fastest ...
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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 ...
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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 ...
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Is my bike frame too big if the top bar touches my testicles?
A bike was given to me for a gift and I am a male with testicles and if I stand in front of my seat the bar touches me on my testicles. Do avoid this I have to stand on my tippy-toes.
Is the bike too ...
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0
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New Bicycle Advice? See detailed Specs Below [closed]
I am getting "snow blindness" and don't know where to start but the main thing is my new bicycle is my transportation every day sometimes for several hours and it's also my outlet to blow ...
0
votes
2
answers
355
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Sit bones and the saddle's curves
Consider two twins, a brother and a sister.
They are of identical height. They have precisely the same arm length. Their legs (both femur and tibia) are exactly the same lengths. But, as would be ...
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3
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Is my hybrid bike too big for me?
I just bought a secondhand Raleigh C40 hybrid off Facebook. It generally seemed like a good bike but I'm definitely a bicycle noob. The lady who sold it to me was maybe an inch taller than me. I didn'...
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Can you adapt a 16" bike frame for a 6'2" person with a longer stem?
I am riding a bike which is not well fit to my body. I believe it has a 16" frame and I have to awkwardly hunch my back to hold the handlebars. Is it standard to get a longer and higher stem for ...
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Impossible/wrong frame length calculation?
I have been riding daily a Holland style bike (upright posture) for quite a long time. I now ordered a new e-bike online, with a more conventional shape (so I don't have a good body feeling for how I ...
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2
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Has anyone experience in using a Thomson Elite Setback Seatpost in the forward position?
Background: 54cm Cervelo R5 2013 with original UO Carbon seatpost. Seat is set as forward as possible and I'm using a shorter handle stem.
Problem: Bike fitter stated I've got the body of someone 5'4&...
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votes
0
answers
113
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What risers do I need for my Profile Stryke Carbon Ironman aero bars?
I'd like to improve my comfort on the bike a bit by raising my elbows and shoulders when I use my aero bars. I have Profile Stryke Carbon bars presently. The bars themselves are clamped under my ...
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