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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2
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1answer
148 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
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1answer
141 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 ...
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0answers
75 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 ...
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2answers
102 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 ...
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3answers
137 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
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1answer
52 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
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1answer
112 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
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2answers
137 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&...
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0answers
44 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
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1answer
108 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 ...
4
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1answer
435 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
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2answers
167 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 ...
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1answer
91 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 ...
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0answers
85 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
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2answers
130 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
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1answer
248 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
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1answer
110 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 ...
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0answers
73 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
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3answers
215 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 ...
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2answers
123 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
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1answer
68 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
89 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
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2answers
322 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
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1answer
93 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
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1answer
67 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
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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
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1answer
84 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
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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
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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
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1answer
221 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
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1answer
40 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
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1answer
123 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
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2answers
415 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
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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
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2answers
624 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
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1answer
87 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
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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
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0answers
63 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
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2answers
510 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
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2answers
157 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
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1answer
58 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
5k 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
115 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
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2answers
4k 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
344 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
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0answers
377 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
190 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 ...

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