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Questions tagged [bike-fit]

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

0
votes
2answers
116 views

Large vs small stack & reach

I'm looking at getting a new bike, but struggling with the most suitable one given the different geometries. Given a particular torso angle, is there an optimal stack & reach? A large S&R ...
3
votes
2answers
125 views

Can I setup my road bike, mountain bike, and fat bike with the same set of shoes with MTB SPD cleats?

Can I setup my road bike, mountain bike, and fat bike with the same set of MTB SPD cleats? Basically I have 3 bikes with VERY different cranksets and Q-factors that range from 148mm to 164mm to ...
0
votes
3answers
117 views

How much can we change our bike wheel diameters before needing another bike fit?

How much can we change our bike wheel diameters before needing another bike fit? If we change the size of our bike tires, it raises or lowers the front or rear of the bike. That means it can affect ...
6
votes
7answers
2k views

Why do I have to keep on changing my fit?

I realize there may not be a true "answer" to this, and some of what I have to say makes no sense, but since I'm not exactly the brightest tool in the refrigerator, it may just be that there is ...
0
votes
0answers
73 views

How do you optimize the recruitment of our glutes when using a more upright bike?

How do you optimize the recruitment of our glutes when using a more upright bike? According to an answer for a previous question, rolling the hips forward slightly makes the glutes easier to recruit ...
0
votes
5answers
219 views

Can a hybrid bike's stem be slammed to make it nearly as fast and powerful as a road or cyclocross bike?

Can a hybrid bike's stem be slammed to make it nearly as fast and powerful as a road or cyclocross bike? More aggressive positions are thought to improve power transfer. That means a better workout ...
7
votes
2answers
720 views

What's the proper way to fit a hybrid/commuter bike?

What's the proper way to fit a hybrid/commuter bike? Most detailed bike fit articles seem to apply to road bikes but not so much for hybrid/commuter bikes which cycle commuters, recreational cyclists,...
7
votes
1answer
226 views

Which position adjustments maximize the use of the glutes in a road bike?

I usually don't feel the glutes firing when I'm seated unless I'm in a really long and hard climb or if I stand up and move back. Is there any common adjustment to maximize the glutes utilization? Or ...
6
votes
2answers
211 views

Are bikes with aggressive positions required to achieve high fitness levels when training on a bike?

Are bikes with aggressive positions required to achieve high fitness levels when training on a bike? My bike fitter claimed that a more aggressive posture is better for transferring power than a more ...
2
votes
1answer
461 views

How do you find the right saddle for road biking?

I bought a Cube Attain GTRC disc, a great bike apart from the saddle, which is quite chunky and square. I would like to find a better one. Tips for saddle sizing for road biking? Long saddle ...
3
votes
3answers
897 views

How to be certain a Boardman ADV 8.8 would fit without prior road bike experience?

I'm looking to buy my first road bike - an adventure/gravel road bike. Question: How can I be certain it's okay or not? And should I be looking for a bike that's closer to my estimated frame ...
1
vote
1answer
222 views

Can hybrid bikes be as fast as cyclocross bikes if we use an aero position instead?

Can hybrid bikes be as fast as cyclocross bikes if we use an aero position instead? There's quite a lot in common for both bikes. People claim that CX bikes are faster. It seems like the main reason ...
1
vote
2answers
107 views

Mild pain in lower forearms during biking

I feel some pressure and fatigue in my wrists and lower forearms during riding but not after it. I don't know whether it is due to weakness of my wrists or my suspicion that my 18" frame mount bike is ...
2
votes
2answers
209 views

Why do peope think the upright postion is comfortable?

Since my dad bought my first bike when I was a kid I tended towards a leaned forward position. I don't mean hands on the drops position, just a more leaned forward one. Skip forwards for almost 30 ...
1
vote
1answer
296 views

I am willing to switch from 700x23c to 700x28c (front) and 700x25c (rear)

I've just bought Orbea Onix TDI Road Bike that has 700x23c tires. They are very tough on the roads that I have around - I go to mountain highways and there's a lot of pavement cracks that feel too bad ...
1
vote
2answers
196 views

Risks of pedaling with outward pointing knee

During my pedaling action I always try to keep my knee moving in plane parallel to the plane containing the frame, or, in other words, my leg parallel to the frame. I have however noticed other ...
1
vote
1answer
51 views

Stack measurement help

I'm trying to determine where I fit on the Cannondale Slate geometry because it doesn't seem they use top-tube actual or seat tube, but rather they're using the Stack? I see a great sale on a 56cm ...
3
votes
2answers
994 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
1
vote
3answers
484 views

Why do I lose so much power/speed in an aggressive position?

I've heard many cyclist say they can go faster (and are more comfortable) with a large bar drop. If my bar is more than 5cm below the saddle (even by 5mm) -- or if I increase the reach -- my power ...
5
votes
2answers
1k views

Pedal foot position - balls or arches

I notice that when I pedal that I mostly seat the pedal in the arches of my foot naturally. I also notice that the cycling shoes tend to seat the cleats in the balls of the foot area, as do other ...
0
votes
1answer
28 views

Ladies' Cycling Shoe Sizes/Fits

I am interested to know what differences there are between brands of women's cycling shoes, specifically, who makes shoes in larger or smaller sizes as well as who makes shoes for narrow feet or for ...
0
votes
0answers
64 views

Triban 100 Medium or Large? [duplicate]

I am looking at getting a Btwin Triban 100 and I need help choosing a size. My height is 1.79 m (5'10") and I am deciding between a medium or large. I tried both and they are both comfortable.
2
votes
2answers
338 views

Is it possible to fit a 36T chainring on a 34T frame?

I'm thinking of building a bike from scratch around a Commencal HT AM 2018 frame, which normally comes with a 32T front chainring (1x setup) and says it takes 34T max. However a 36T would be ideal for ...
0
votes
1answer
353 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 ...
1
vote
4answers
99 views

Knowing what size bike to look for [duplicate]

I am presently riding a hybrid that apparently is a bit too small for me, and I'd like to replace it with a road bike. Having ridden this improperly-sized bike for as long as I have (about 8 months, ...
2
votes
1answer
110 views

Good fit vs. Best fit - Lower end of the fit range (Difference of 1 cm). Is it OK? or can this tiny difference still cause pains?

I want to buy a second hand Trek Cronus (Gary Fischer Collection) bike (50cms) for my wife. I am getting a good deal on it. My wife's height is 156cms. As per the Trek Sizing chart, the range of rider ...
2
votes
1answer
135 views

How long does it take for one to get settled on a new saddle?

I recently switched from a Selle Royal Seta T1 saddle to a Shimano Pro Falcon Anatomic saddle with a cut-out. It's lighter, wider (152mm), and has lesser padding than my previous saddle. The first ...
4
votes
4answers
549 views

Help understanding effect of Crankarm length on gear ratios

Trying to learn more about bike fit and gearing, and having trouble understanding the effect of crankarm length on gearing. In an article on bicycling.com it states "The relative jumps between gears ...
0
votes
4answers
195 views

Can I make this bike fit me?

There are two questions here really though they both have to do with fit. Today I tried a Baad Raad electric fat bike. This question isn't about batteries or fatties. I just wanted you to know this ...
2
votes
3answers
569 views

Bike Frame Size for MTB Leisure Rides

I am looking to buy a bike for my wife on the internet, but the challenge is I do not know what frame will be most suitable for her. We plan to buy a hardtail for leisure rides on the weekends so we ...
0
votes
2answers
294 views

Will a 60cm seat tube bike fit a 5"11 male adult?

I got my eyes on this Raleigh: https://www.ebay.co.uk/itm/VINTAGE-RALEIGH-WINNER-ROAD-BIKE-LOOK/352239962812?hash=item5203234abc:g:7YkAAOSwJH1ZLcwa Yes it's a little expensive but I like the blue ...
1
vote
0answers
145 views

Adjusting bike fitting to cope with FAI (hip deformity)

After many years in the saddle (as a casual rider only) I am currently unable to ride to due a problem with my hips. I just got the X-rays back and it seems I have a "pincer" deformity on both hips ...
5
votes
2answers
283 views

Mountain bike sizing for a short female

This is similar to this question on frame size, however that is addressing it from a road bike standpoint. My wife is 4' 9", and I am interested in getting her a mountain bike, as she has expressed ...
2
votes
4answers
123 views

Choosing frame size when still growing

I am about to purchase a 2018 Kona Sutra touring bicycle but I need some advice on how to know which is the right size for me. My measurements are 174cm tall with a 79cm inseam. I was advised that a ...
11
votes
3answers
3k views

Unable to get into a 'TT' position, is my bike fit wrong, or am I just fat?

I've been road cycling since July 2017. I am an overweight guy, the cycling has helped shed some kilos but I'm not at my ideal weight yet, and most of my weight is stored in my belly. A month after ...
3
votes
2answers
2k views

How to measure frame size kids bike

The way I know how to measure frame size is by measuring from the center of the cranks to to top of the seat tube. I ordered a 16" bike from Halfords but the seat tube is only 9". On the box it says ...
1
vote
1answer
68 views

Kids bike overlapping frame sizes, can you go up one size?

Bike size guide: 105-117cm, 4-6 yrs: 14" 112-125cm, 5-7 yrs: 16" My niece already has a 14" bike her daddy got her. I have been monitoring her height, she's definitely growing. At the moment she's ...
2
votes
1answer
246 views

Can tricep pain be cause by having a smaller bike frame?

Some context, my boyfriend bought a used carbon frame bike because it was a good deal, I feel like recent tricep soreness is caused by his biking on a bike that is too small for him or wrongly ...
3
votes
1answer
1k views

Should I get a size up or a size down bike?

I'm looking to buy a Trek DS 4 bike. In the store the sales person measured me and said I'm right in between sizes 19 and 21 and he wasn't sure which one I should pick. I test drove both sizes and ...
6
votes
2answers
5k views

Beginner always sliding forward on seat

I'm 250 lbs and have been riding for about three months now to lose weight. During my rides I always feel like I am sliding forward on my seat. Because of this I never feel like I'm sitting on my seat ...
2
votes
2answers
122 views

Throbbing in outer quad above knee [closed]

I have been riding a bike that is in all honesty meant for someone much smaller than me. I have raised the seat quite high and got it far back enough that my spine is in proper posture while I ride. ...
6
votes
3answers
173 views

Bike fitting for sore hands, Peugeot ~85 used as commuter

I'm having problems with my Peugeot from ~85. I get sore hands quite fast when I ride it and it really feels like the pressure on my hands are too much (compared to when I ride other bikes with flat ...
0
votes
1answer
355 views

Grand Canyon AL SL frame size - S vs M [closed]

Checked Grand Canyon frame sizes and can't decide which one is more suitable for me: S or M. My height is 170cm while S frame recommended height is 162-172cm and M is 172-182cm. S frame comes with 27....
0
votes
1answer
103 views

Another (?) which-frame-size-to-choose post [closed]

Unfortunately in my home country (a small tropical island) I can't find a reseller that has stock of an adventure bike (also known as gravel bike). I am about to order one online, but I am stuck on ...
0
votes
3answers
137 views

How should a good CX riding position “feel” (alternative to highly scientific measurements…)

I'm switching from MTB full-suspension down-hill riding to something more flat - at the moment I'm looking at a CX for 80% road, 20% offroad usage. Unfortunately, I've never, except for short test ...
5
votes
3answers
2k views

Is it OK to ride in the drops almost the whole time?

I just bought my first road bike, 2 months and a thousand km ago, and into several 50 to 130 km rides I found myself riding mostly in the drops, like reeeaally in the tip of the bar. I even removed ...
1
vote
3answers
1k 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 ...
4
votes
1answer
134 views

Is “bike fit” through site reliable?

I want to buy a bike, in this case a moutain bike, and the salesmen always ask my height, I am 1.90m, searching the Internet I heard about "bike fit", so I found some sites that through the ...
2
votes
2answers
1k views

Advantages with longer seatpost in the seat tube?

I am about to buy a new seatpost and I am wondering what's the ideal length. The one I have now is 33cm long, even though it only sticks out of 10cm from the frame (measured from the seat collar to ...
5
votes
3answers
206 views

Childrens' bike if I want to put my feet down?

I am a very short adult (61 inches; 155cm), who has not been able to get the hang of sliding off the seat and back on at stops (especially on hills). I really just want to be able to stop and touch ...