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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.

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4
votes
4answers
1k 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
203 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
2k 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
511 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
386 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 ...
4
votes
2answers
290 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 ...
3
votes
4answers
150 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
4k 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
71 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
776 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 ...
4
votes
1answer
3k 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
10k 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
139 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
263 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
478 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
118 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
154 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
3k 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 ...
2
votes
4answers
2k 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 ...
3
votes
1answer
138 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
3k 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 ...
4
votes
3answers
370 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 ...
0
votes
1answer
96 views

changing 26 to 700 wheels on mountain bike?

I have a nice colnago mountain bike w/26 wheels and disc brakes; am thinking of changing to 700 wheels as i am 6'3" and bike feels somewhat small. would this negatively affect ride, handling, ...
2
votes
2answers
775 views

Lowering the stem on a Canyon Endurace

I have a Canyon Endurace XL frame with a 110mm stem which I currently have slammed. I've started racing this year and am very comfortable in the drops for the entire race, which makes me think that I ...
5
votes
2answers
1k views

Why can't I find a comfortable saddle?

During the 25+ years of cycling I've done (5,000 - 7,000 miles/yr), I've tried upwards of 75 saddles, yet STILL haven't found one I could call "comfortable." By now, I know what I want, but can't ...
1
vote
1answer
145 views

Ordering in the right size, and making sure it fits

I'm fairly tall (6'4" or 195cm), and the bike I'm looking for is fairly specialised these days (a tourer, presumably steel, possibly with a sideline as a gravel bike/off-road tourer but no need for ...
0
votes
1answer
333 views

Help choosing between two frame sizes based on my dimensions [duplicate]

I would really appreciate some help choosing a size of bike frame. I am stuck between choosing the large or the extra large. I may go down the route of getting professionally checked on the bike, ...
1
vote
1answer
164 views

Short inside leg body: smaller frame?

I have a bit of a disproportionate body. I am 176cm (5'9") tall, but my inside leg height is only 76cm (2'6"). I want to build a fixed-gear bike and I am looking for a frame of the right size for me. ...
3
votes
3answers
321 views

What variables best determine bicycle fit for an individual without riding it? [duplicate]

Trying to decide a bicycle purchase, not sure how to choose the best fit bike for my body type. Should I measure my leg length, torso length, arm length, body build, does my gender make a difference?
4
votes
2answers
109 views

Racing: Drop Handle Drop Length

For context this is specfically for racing distances less than 100km. Are there any considerations for having a deeper/longer drop on your handlebars besides comfort and fit? Should you go as low as ...
2
votes
2answers
322 views

Uncomfortable saddle position on road bike.

I ride a road bike three times a week (Bitten by strava bug)( I am 5'9" and use a 54 cm frame) I installed my new pedals and am wearing my new cycling shoes for first time. I raised the saddle height ...
3
votes
1answer
1k views

How important is a correct frame size for a Mountainbike?

Various frame size calculators on the internet spat out 19" for the size of a hardtail mountainbike frame that suits me. The local bike shop insisted 19" is way too small; he only had 21" sized models....
-1
votes
1answer
94 views

What size chain do i use if I've changed the front sprocket

I am converting a 7 speed Kent Bayside beach cruiser in to motorized bicycle. I had to change the front Sprocket from a 40 tooth to a 44 tooth, due to the need for wide crank setup. Now the chain does ...
3
votes
1answer
697 views

Longer stem, need to re-cable?

When I got my bike built, I chose a 60mm-long stem. It's a single-speed bike with front and rear cantilever break (cyclocross model.) After riding on the bike for a couple of months, I have decided ...
0
votes
2answers
2k views

Seatpost clamp sizing issues?

I have a carbon bike frame that has a seat post with diameter of 31.6mm and i got a clamp that said 34.9mm but it doesn't fit on the frame (too small). There is no manufacturer details outside of the ...
6
votes
3answers
512 views

Is a fitting worthwhile for me?

I'm a guy with banged up knees. I'm trying to decide if it is worthwhile for me to splurge for a high-end bike fitting or go with a more ordinary fitting or skip getting a fitting altogether. ...
4
votes
1answer
3k views

Is my bike too big for me?

I recently bought a bike online for use in college and after trying to get on the bike, and I think it's too big. The problem is that I'm pretty small. Like 4'11", 27" inseam small. Little legs, yes. ...
0
votes
1answer
128 views

Understanding width of tires [duplicate]

Saw two different tires. One marked 700c 38mm 40 622 measured 1.25 " wide.Other tire ,same markings but with addition of marking, one and five eighths x one and a half,measured 1.5" wide. If both 38mm ...
2
votes
2answers
2k views

Fitter suggested too short a stem

I had my bike professionally fitted a few months back and the guy made some changes to it. One of them was going from a 100mm stem to a 60mm stem. The change felt better for my back, but the bike ...
0
votes
2answers
195 views

How to choose the right size bike? [duplicate]

This question is one that I'm sure has been beat to death, but I am new to bike riding. Ideally I would have bought the bike at a local bike shop and been fit for the perfect bike. However, the prices ...
0
votes
2answers
80 views

Road bike for 6 Foot

I want to buy a bike. I have a bike who may interest me, it is a Tri Bike 51cm. I was wondering if it was OK for me. I know that for my height 53-56 cm is better but I'm only 115 pounds. Would that be ...
2
votes
3answers
1k views

hybrid bike … too small? risks?

I bought a Schwinn from a big box. I'm regretting it for technical reasons (shifters, brakes), but I'm starting to wonder if the frame is too small. I have the seat way up and going down steep (...
2
votes
1answer
478 views

Shoe Arch Support

For the past few months I've started experiencing pain under my foot in the Plantar fasciitis (The plantar fascia is the flat band of tissue (ligament) that connects your heel bone to your toes). ...
4
votes
2answers
894 views

Increase the height of my handlebars to reduce back pain

I have an early 80s Trek 970 Single track that is an awesome bike, but as an older rider who doesn't ride trails as much, would like to ride in a more upright position. The handlebars are for the ...
7
votes
4answers
2k views

Is the fit wrong on my road bike or is my body too stiff / inflexible?

I am very confused about how to get a correct fit on a road bike. I am female, 5'5", average weight and proportions, and have a 31" inseam. Recently, I decided to buy a Specialized Ruby after trying ...
9
votes
2answers
716 views

What is the problem with adjusting brake levers to end their travel “too close” to the handlebars?

I've recently increased my cycling (as a form of alternate transportation far more so than a sport). I got a nicely rebuilt old Schwinn converted to take STI shifters. Now that I've spent the time ...
6
votes
2answers
2k views

Why do cyclocross/touring bikes seem to have longer top tubes than road bikes?

After using some online fit calculators, I was looking around at some bikes and frames. Surly says to pick one based on the effective top tube, for which a recommended length for me is 53.5 cm. Some ...
0
votes
2answers
347 views

Does removing spacers require a refit?

As I get more and more used to my bike's aggressive geometry, I'd like to slowly remove the spacers. I have two right now and my LBS who did the fitting said you can remove them as you get more used ...
1
vote
1answer
3k views

Bike Fit Confusion

A friend of mine has just purchased a 2016 Trek Emonda SL6 in a 54 cm frame size. He is 169cm tall and according to the Trek sizing chart (attached) he could fit a 52 cm or easily fit a 54. The ...