Questions tagged [bike-fit]

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

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6
votes
2answers
136 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
1answer
83 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
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0answers
83 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
2answers
112 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
1answer
186 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
1answer
106 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
0answers
72 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
3answers
178 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
2answers
114 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
1answer
64 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
1answer
77 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 ...
5
votes
2answers
292 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
1answer
92 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
1answer
66 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
0answers
69 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
1answer
82 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
5answers
2k 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 ...
33
votes
11answers
7k 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
1answer
177 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
1answer
39 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 ...
0
votes
0answers
95 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
2answers
340 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
2answers
1k 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 ...
0
votes
2answers
525 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
1answer
85 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
3answers
1k 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
0answers
57 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
2answers
499 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
2answers
108 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
1answer
48 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
1answer
4k 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
1answer
201 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
1answer
2k 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
1answer
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
2answers
112 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
2answers
3k 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
1answer
308 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
0answers
350 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 ...
3
votes
2answers
187 views

Is it possible to set this fork steerer / stem higher?

Is it possible to set the stem / steerer higher in Cannondale R300? It feels like I need higher stack and I wouldn't like to tilt the drop bars from their current position. Bonus question: are stem ...
1
vote
5answers
2k views

Is 160mm crank too short for me?

I’ve done some research about crank length. When I’m riding full-gas my knee is starting to hurt but when I’m just chilling in group rides I feel alright. My crank length at the moment is 172.5mm and ...
3
votes
2answers
116 views

City bikes— frame sizing for smaller cyclists

I'm a 5'1" woman looking to purchase a classic bike for transport/leisure. Unfortunately here in the London and in neighbouring cities/countries, I can only find 17"+ frames available. Most sizing ...
2
votes
1answer
250 views

Road bike fitting: Fit calculator results look slightly different with the bike I am planning to purchase

I am planning to purchase a Triban RC 120. My height is 181.3 cms and I am planning to get an L sized model. Since I am new to road biking, after reading about it for a bit, I decided to get the bike ...
1
vote
1answer
61 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
107 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 ...
7
votes
7answers
3k 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
0answers
62 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 ...
1
vote
2answers
129 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
2answers
2k 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
68 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’...

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