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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0answers
50 views

Cyclocross bike fit

I have the opportunity to buy a very nice used cross bike at a great price. But, I'm worried about it being a tad bit too big. It has large Blue frameset with the following measurements: Top tube ...
12
votes
5answers
441 views

Should my foot be able to step flat on the ground, when I sit on a bike seat?

I was wondering, for a correctly sized mountain bike, or hybrid, should I be able to place my foot flat on the ground, when I sit on the bike seat?
0
votes
4answers
153 views

if my height is 5'9" what mtb should I buy? [closed]

I am rookie and I want to know about mountain bike and want to know that if my height is 5.9 which mountain bike works for me. So guys please help to know about mountain bike.
0
votes
1answer
115 views

When is a bike frame considered too tall?

I'm currently riding a road bike that feels too short for me. I use it to commute 17 miles per day. I recently went to a bike shop, and they told me that your ideal frame height is to stand over the ...
1
vote
1answer
118 views

What is the matter with this Shimano disc brake lever?

I got the BR-M445L + BL-M505L a month ago. I am new to hydraulic disc brakes, so I can't tell if there is any problem with air in the system or other problems. Asked a mechanic and he said the brake ...
3
votes
3answers
377 views

Picking the appropriate hybrid bike frame size

I am a 5'8" tall female. Which hybrid or fitness style frame size would most likely fit me better, 17" or 19?"
5
votes
5answers
154 views

Lower back pain cause?

How much of lower bike pain over longer rides due to bike fit or body positioning versus core strength? I have spent many years "fixing" my fit but have never had a professional fitting. I have also ...
0
votes
2answers
229 views

Does height of bicycle affect the energy we put to ride?

I used a road-bike (gearless) and its height was even not reaching to my waist and I was becoming very tired even after 10 min. of cycling (in city). I remember I have read somewhere that angle of ...
4
votes
5answers
220 views

Is there a recommended way to center your handlebars?

Is there a best practice for centering your handlebars in the stem? Besides eyeballing it, I actually tried measuring distances but found that depending on where I measured from and to I got different ...
5
votes
4answers
410 views

What are the advantages of filling tires with Nitrogen instead of air?

I am completely new to riding bikes and know that are usually filled with air but nowadays some people fill them with Nitrogen instead. I don't know why they prefer to fill their tires with nitrogen ...
5
votes
2answers
843 views

Cyclocross frame size vs. road bike frame size

I'm in the market for a used cyclocross bike to use as a winter bike, and so I've been browsing craigslist. I generally ride a 56-58 cm road bike frame, so I turned down an otherwise good deal ...
4
votes
2answers
143 views

How to test-ride a full-suspension bike?

I am looking for a MTB, but am unsure how to measure if the frame would fit me. I haven't had a full-suspension bike. Furthermore, I am pretty sure MTBs perform entirely differently in the city and ...
4
votes
1answer
99 views

Tandem team with large height disparity - possible?

My wife and I would like to start riding tandem. I've been reading about it and am worried that we are not physically eligible. She's 165cm, I'm 195cm... I've considered buying a baby trailer and ...
4
votes
4answers
263 views

What kind of bike should i get to accomodate me?

I'm a plus sized female (about 135 kg, 295lb, 5'7") from NYC and I'm looking to get into bike riding again. I haven't ridden a bike since I was about 12 years old and I loved it. I'm looking to ...
2
votes
4answers
144 views

Knee Pain and Injury

I ride a road bike, mainly on flat terrain. About two years ago following a 100k ride I had major pain in the front of my knees, just above the patella. The pain did not subside, was present during ...
1
vote
3answers
802 views

smaller wheels on big bike to reduce height

I have a SEKAI sprint 1000 bike which is a tiny bit big for me as I have problems reaching with my feet to the ground. The existing seat is already down to the lowest level so can't reduce the height ...
6
votes
5answers
875 views

Tips to Alleviate Hand Soreness

I've recently switched from a hybrid with straight bars to a touring bike with conventional drop bars. My commute is just over 5km, and my palms have been getting very sore just below my thumb. My ...
3
votes
5answers
215 views

Pain in left hand

I'm a relatively new cyclist (started about 4 months ago). Lately, I've noticed that I have numbness and tension/pain in my left hand (but not my right one) throughout my ride. Every 15-20 minutes ...
2
votes
2answers
1k views

Is it possible to make a larger bike fit a smaller person?

I bought a used road bike to commute into school each day (only about 4 miles roundtrip) and to go on casual rides for fun. I've only had it for about 3 weeks and prior to that have not had a bike ...
3
votes
1answer
135 views

How to do a bike fit?

Here on bicycles SE I often read questions about right sizing of a bike, how you should sit on a bike, what to do when some part of your body hurts etc. I also came across the answer Go to a local ...
2
votes
1answer
175 views

Bicycle Geometry 101?

Are there any resources or books that discuss bicycle geometry? I am looking for resources that would allow to get a rough idea of how relaxed or aggressive a particular bicycle geometry is, by ...
2
votes
2answers
160 views

Pain in the lower back and neck during cycling

I am new to cycling (road biking). When I bend my back to hold the handlebar and maintain a low position, to avoid head winds, I feel a pain in the lower back and neck. Is this normal? Do we get ...
2
votes
2answers
269 views

Should/can I return a new bike that seems too big?

First off, this is my first road bike. I did quite a bit of researching and read lots and lots of guides/tips on how to choose the bike you want and all of that. The problem is that you can't really ...
5
votes
6answers
4k views

How can I find the right size road bike without a test ride?

I am going to buy a road bike. I am considering a Trek 1.2. I used the Competitive Cyclist Fit Calculator to find the size of bike that fits me. Inseam: 80.5 Trunk: ...
3
votes
1answer
1k views

How to calculate bike stand-over height using frameset geometry and wheel radius?

While it's best to buy through fitting a bike in store, it's not always possible (discussed here). On some websites, the stand-over height of a bike may not be listed as part of the specifications. ...
4
votes
2answers
293 views

Does frame size inside a particular model affect the ride characteristics of the bike?

I read an article stating that the smallest of a particular model of bicycle doesn't fully reflect the original design concept of the model when I was about to buy the smallest (430mm seat tube) of ...
3
votes
3answers
3k views

What factors determine stem length ?

Recently I went to a local bike shop to get a bike fitting advice. After taking body measurements, I was given a frame size recommendation. According to that, seat tube size, top tube size and stem ...
6
votes
2answers
479 views

How much of the saddle rail is suiteable to use

Is it possible to safely set the seat to the max to get the saddle as far forward as it will go. Or should it only be clamped within the marked range 0 to 3.5? I have marked the points in red. The ...
3
votes
3answers
737 views

Sizing guide for road bikes vs mountain bikes

i usually take a 21 inch size in mountain bike, but I want to buy a road bike. I'm 6'2'' and have a 34 inch inner leg. How do the sizes translate from mountain bike to road bike? Thanks
1
vote
4answers
221 views

Painful Feet: Might be related to pedal-foot positioning

Sometimes when I set out on a ride I will get the absolute worst foot pain. It is like a cramp in my arches on both feet. I am wondering where exactly the center of the pedal should fall in relation ...
1
vote
3answers
1k views

How much smaller frame is ok?

I'm looking to buy my first MTB and I had an online calculator tell me to get a 17.5". My measurements are height: 177cm and leg 76cm. Thing is, I found a bike that I REALLY want, but it's the last ...
7
votes
4answers
6k views

How can I tell if a bike is too big for me?

Today I disassembled my current fixed-gear, and reassembled all the parts in another frame, which I am considering to purchase. The current owner of the frame warned me that it might be too big for ...
3
votes
6answers
316 views

Feet on the middle of the pedals

I am 1,85m tall, have shoes sized 58-59 (European) and have classic non sloped frame with seat tube 55cm. Problem is that my feet land with their middle on the pedals, not with the front part where ...
1
vote
2answers
168 views

Bike fitting in the UK

As an keen but casual touring cyclist I'm interested in getting a little more competitive and also keeping myself comfortable over longer distances. So I'm considering getting professionally fitted, ...
6
votes
1answer
324 views

Can I leave headset spacers above and below the stem

I am in the process of building a bike with a new frame and fork. The groupset will be from a donor bike. When it comes to fitting the bike and cutting the steerer I would like to do some trial rides ...
7
votes
2answers
2k views

Is my bike fit a problem, I'm experiencing achilles tendon pain?

My calves are super tight when I finish my ride, and my Achilles are sore for days after a 20 mile rolling hill ride. Could it be that my seat height is too low? If not, what could be the root cause?
19
votes
12answers
24k views

Is it better to have a slightly big or slightly small bike?

I'm planning to buy a Scott Speedster S30 (This is my first road bike) and I'm looking at the size chart. I'm around 177 cm tall, and this fits exactly in between the M and L section. Just wondering, ...
6
votes
3answers
10k views

Correct riding position on a road bike

I've been riding my bike for a while it's a 55cm square frame. I recently used the online calculator on competitive cyclist. It told me I'd need a seat tube of 53 and top tube of 57cm. So I'm riding ...
1
vote
2answers
487 views

How to convert 17“ bike to 18” without changing frame

I bought Author Basic (2012) with 17" frame. But I have some back aches after 2 or more hours of cycling (just cycling or with little jumpings) and sometimes I feel little unsure while riding ...
1
vote
3answers
310 views

Skid on small frame

I bought a new, cheap and maybe nasty fixed gear bike. They were only in sizes 54cm and 56cm, so I had to go for 56cm, even though my road bike is 61cm and I'm 186cm. My first few skidding attempts ...
3
votes
5answers
2k views

Is reversing the stem (pointing it backwards) a safe way to reduce reach length?

Assuming a steerer/fork/brake/cable setup that does not rely on the stem facing forward: is it safe to point a stem backwards as a way to reduce seat-to-bar reach (i.e. as a way to 'fit' a too-large ...
7
votes
5answers
8k views

Is it possible to measure your sit bones at home?

Some bike shops have gel pads that you sit on to measure the distance between your sit bones. Is it possible to take this measurement on your own at home, or does this really require special-purpose ...
0
votes
5answers
1k views

51cm top tube too small for someone who normally cycles frame with 55cm top tube?

I'm looking to buy a second bike and have found a really nice frame. The bike I cycle at the moment, which fits me perfectly (I am 5'11" (180cm)), has a 55cm top tube. The frame I'm looking at has a ...
3
votes
1answer
1k views

How can I adapt my pedals to account for a difference in leg length?

I have a leg length difference of as much as 1cm due to a non-biking accident. Adding padding to my shoe doesn't help. A friend recommended that I get pedal stacks (and a longer bolt) to my SPD-style ...
6
votes
3answers
1k views

Setting up a bicycle for someone with restricted knee articulation

My father, now in his 70's, had a left knee replacement several years ago. He has limited movement in that knee - probably about 85 degrees on a good day. His knee can extend fully, but cannot bend as ...
4
votes
4answers
4k views

Why such a dramatic drop in power when the handlebars are lower than the seat?

I have done long rides with the bar 10+ cm below the saddle without getting a sore back, or anything. Thing is, when I do, my average speed is 2 - 4 km/h SLOWER than when I have the bar higher up. ...
5
votes
2answers
2k views

Why do I do the “saddle shuffle” when riding?

I was browsing some time trial videos on YouTube and came across a video on saddle shuffling, and I've been noticing that I do the same saddle shuffle a lot when riding hard. Did not really know it ...
3
votes
2answers
2k views

Bike Setup: Correlation between seatpost offset and stem length?

Say the current setup uses a zero offset seatpost, and a 100mm stem. If the seatpost were replaced another seatpost that has a 20mm offset, should offset be subtracted from the stem length? My ...
1
vote
3answers
338 views

Why do I have to keep changing positions?

Despite riding seriously -- about 6,000 miles/yr -- for over 20 years, I apparently have some kind of obsessive-compulsion thing about always fooling with my bike fit. (95 changes -- NOT a typo! -- ...
2
votes
1answer
230 views

Should my fore/aft range be so narrow?

I started setting my fore/aft by using the "hands off" method (being able to balance leaning forward with no hands). This occurs with the tip of my seat 8.5 cm behind the BB. But, at this point, when ...