Questions tagged [bike-fit]
How to get the right sized bicycle for you or adjust your bicycle to fit you better.
350
questions
10
votes
4
answers
3k
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
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 ...
1
vote
1
answer
3k
views
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 ...
1
vote
0
answers
81
views
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
419
views
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 ...
1
vote
3
answers
997
views
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'...
0
votes
1
answer
115
views
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 ...
1
vote
1
answer
203
views
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 ...
2
votes
2
answers
1k
views
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&...
0
votes
0
answers
124
views
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 ...
0
votes
1
answer
114
views
How can I shorten the frame of a "Duchie shopper" bike?
The cycle is a "Duchie shopper". The bike is to big for my wife. Is it possible to shorten it for her?
She is 5 ft (152 cm) tall. The bike has a 27 inch wheels. I want to shorten it by ...
5
votes
1
answer
2k
views
Mtb vs Road Pedal Stack Height
Recently went from mtb pedals( shimano pd-m520) to road pedals (spd-sl pd-r7000) on my road bike.
I feel that saddle is a little bit higher for the road pedals. Is the stack lower on road pedals ...
6
votes
2
answers
213
views
What to check when trying a bike from a shop?
A common answer when people ask about frame size/geometries is to go to the local bike shop and ask to try the bike. No discussion of course, in an ideal world, it would be better to be able to try a ...
0
votes
1
answer
203
views
Is it okay to have a slightly larger frame on a fixie?
I recently bought a new bike frame, and I'm thinking if there might be some issues since the new frame's a bit larger than the old one.
The old frame was size 50, the new one's 52. I did some ...
0
votes
0
answers
147
views
Can I use mtb rigid fork in touring frame?
I am looking to change my fork because of some issue(broken). My problem is my headtube is the standard ec34, which is why I can't use tapered fork. So, I am looking at some mtb rigid fork, which have ...
3
votes
2
answers
690
views
Should I buy a little bit bigger bike?
I want to buy a mountain bike for the summer to ride with my friends, go on shorter rides (max 6 hours) and use in town. I am approximately 175 cm tall and 16 years old (so I might grow a bit). My ...
3
votes
1
answer
1k
views
Salsa fargo sizing
I am looking for a new salsa Fargo, mainly as a bikepacking tool and also light gravel racing.
My problem is with the stand over, I have very short inseam(67cm) and long torso and hands for my height (...
2
votes
1
answer
274
views
Bike fit - comparison of similar geometries
I'm usually riding my hybrid Giant Roam but recently I've been given a 2nd hand Decathlon 27.5 MTB for free and I've started hitting some mountain bike roads (not trails, more like forest paths, fire ...
1
vote
0
answers
80
views
Getting the correct road bike size, moving from MTB
Currently I have a Large Stumpjumper 2021 29er.
The size was advised by the shop I purchased it from. It was OK at first but I ended up having a bike fit to adjust a few things (slightly longer stem ...
3
votes
3
answers
1k
views
How to fix numb hands on new gravel bike despite professional fitting and shorter stem?
I just bought a new Salsa gravel bike with carbon frame. Despite a professional fitting and shorter stem my hands get numb after only a mile. I wear padded gloves when riding. I have ridden a Trek ...
1
vote
2
answers
144
views
When using a front mounted child seat, will it be better to size up or size down on a Mountain bike (I'm right on the boundary between sizes)?
I'm buying a mountain bike and come in exactly on the boundary between medium and large women's frame sizes. I used to commute by bike in a city several years ago so fairly confident cyclist but would ...
0
votes
1
answer
122
views
Confused about frame size [duplicate]
I am trying to determine the right frame size for myself before purchasing a hybrid bike. My height is 174 cm and I have an inseam size of 85 cm. If I go by the height it should be a medium frame ...
2
votes
1
answer
169
views
How can I measure what is a relaxed geometry frame?
I would like to know If a frame would suit me for really long distance riding (100-200km). I have read about the stack to reach ratio, which for example for one of my bikes that is comfortable for me ...
6
votes
2
answers
1k
views
What's the ideal balance (forward/backward) in the saddle on an endurance road bike?
I got my first road bike (and found I favor endurance riding position), and I can't figure out if I'm positioned well in the saddle. It's as far aft as it goes, but I still feel like I'm falling ...
0
votes
1
answer
99
views
What is the best bike for me? [closed]
I'm a man 5'8" planning to get a new bike as a beginner. looking for going around the city + fitness. My budget under $800. The bike that I need it should make me fall in love with Road bikes.
0
votes
1
answer
2k
views
Original fork 1'', new fork 1 1/8''
I put a picture of my original frame. The internal diameter of the straight cylinder is 31mm.
In this frame was installed an original fork of diameter 1''.
I would like to buy this fork : https://www....
2
votes
0
answers
73
views
Options for online fitting
anyone know of good options for a remote/virtual fitting service?
I'm not looking for an app, but rather personalized fitters that have moved to remote during Covid.
Thanks.
1
vote
1
answer
99
views
Changing tyre size [duplicate]
A very basic question, sorry! I have a Giant hybrid bike, that currently has 700x38 tyres on 622x29 rims. I need to replace the tyres, as they are getting old and was wondering if I could change the ...
6
votes
5
answers
4k
views
Can I fix my very small bike with a bike fit?
I used this bike for about 140kms and when my last 55 km ride was over I was feeling pain in my elbows and numbing on my arms so I started looking into my bike size and fit. It is a new bike so I ...
34
votes
11
answers
9k
views
I am a beginner to commuting by bike and I find it very tiring. Is it my fitness level or my single-speed bicycle?
Foreword: Sorry if this seems a bit long-winded.
TL;DR: I can't figure out if there's something wrong with my bike or if I'm just out of shape. What's your opinion?
I got the bright idea to commute to ...
2
votes
1
answer
617
views
Shimano Adjustable Crank Arm Length
I currently run Shimano 105/Ultegra/Dura-Ace (2X11) components on my road bike.
Chain Dura-Ace
Cassette & Crank 105
Derailleurs Ultegra
I am looking to replace my cranks when I wear out my next ...
1
vote
1
answer
71
views
Replacement guide for different cleats?
I'm planning to replace my wellgo 6 degree float to look keo grip 9 degree float. I've searched for cleats replacement guide online but most of them only caters to replacing identical cleats. I'm ...
1
vote
0
answers
324
views
Surly disc trucker 26 frame size
I am 176 cm height (with 85 cm inseam). What will be my frame size for Surly disc trucker 26? Will size 56cm fit or be too big? I cannot find a size for this model. Thank you in advance for your help.
5
votes
2
answers
1k
views
Why are so many ramps on dropbars tilted downwards?
When looking at drop handlebars, it's noticable that most ramps are tilted downwards. I find that rather uncomfortable for my hands as they slide down into the hoods of the brake levers and get ...
9
votes
2
answers
3k
views
Why don't seat tube lengths on modern bikes match their assigned sizes?
I was under the impression that bikes were sized according to the seat tube length; thus, a 56 cm frame would have a 56 cm seat tube length. However, on some modern bike frames (see Specialized Tarmac ...
2
votes
5
answers
2k
views
Optimal front / rear weight ratio
What is your preferred weight ratio between front to rear wheels on your bike(s)? I always assumed 40% front / 60% rear was "normal". I have been experimenting with tire pressure and stem ...
1
vote
1
answer
110
views
Steering Dynamics Question
as I contemplate reducing reach by either 1/ shortening my stem or 2/ shortening my dropbar's reach, I have some questions about whether approach 1 or 2 will have a greater difference on my bike's ...
4
votes
3
answers
3k
views
Properly sizing a frameset online (Ritchey Road Logic)?
Longtime lurker, first-time poster. My frame is cracked and I have mostly decent parts so I am thinking about just buying a frameset and paying the LBS to move stuff over. A friend suggested I look ...
1
vote
0
answers
126
views
Can a 2cm lower ETT and 3cm lower stack make a big difference
I have recently been testing two mountain bikes: one with a 44cm (~17.5") frame, which I bought second-hand and one with a 45.7cm frame (~18"), which I bought new but want to return it as I ...
8
votes
2
answers
631
views
How to tell if my handlebar is really too long?
As some of you already know, I'm putting together a trekking bike. It is mostly to commute where the usual route will be 15km: up to 10km on paved roads and the rest unpaved, including a highway ...
6
votes
2
answers
2k
views
How can I measure a saddle to buy something similar?
I got on quite well with the stock saddle on my tourer, until recently. That's not surprising as the plastic has broken. The bike manufacturer isn't great for spares, and I'm sure I could do better, ...
1
vote
1
answer
199
views
Finding dropbar's exact measurement
I have a GT Grade and I'm planning to swap out the drop bar for something with a smaller reach. It's really easy to find the specs of the replacement bars, but harder to find the drop, reach, and ...
0
votes
1
answer
14k
views
Caad10/12 sizing
I'm looking to buy a used CAAD 10 or 12 but since they are quite far away, I can't test ride them so I'll have to guess the correct size. I am 173cm tall and an inseam of barely 80cm without shoes. I ...
5
votes
1
answer
237
views
Saddle Position
I am a newbie to biking. I got my bike fitted in a local bike shop. I feel comfortable riding it. However, I feel (by looking at it) that the saddle is fitted way too back. It looks as if the back ...
2
votes
1
answer
5k
views
Is my dropper post too long?
I got a bicycle with a dropper post. As you know, there is currently a bicycle shortage, which is why I ended up getting it online instead of in a local shop (none of which had in stock what I was ...
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 ...
1
vote
2
answers
137
views
Change bike fit to reduce amount I "lift up" on my pedals
It's folklore than a benefit of clipless pedals is that you can generate power while pulling your foot "up" as well as pushing it "down". I've noticed that under very particular ...
0
votes
2
answers
10k
views
What's the approximate stack and reach for a 5'10" 178cm man
The top-tube length is no longer a good measurement for sizing a bike. Stack and reach are better for reasons I won't reiterate here.
The problem is, while there are many lookup tables and calculators ...
2
votes
1
answer
840
views
bike fit calculator on competitivecyclist.com, accessing from .de [closed]
I wanted to open
https://www.competitivecyclist.com/Store/catalog/fitCalculatorBike.jsp and got redirected to bergfreunde.de (outside the U.S. due to GDPR regulations)
Before I resort to VPN or ...
0
votes
0
answers
700
views
Specialized Tricross Sport size guide?
I have an old Specialized from 2009, it seem pretty fine across the year, but I think the frame is too big for me. I adapt my body other the year, ride a lot, and doesn't make discomfort. After a big ...