All Questions
45
questions
4
votes
1
answer
145
views
Which geometry specifications determine the seating position of an MTB?
MTB manufacturers release geometry data for their bikes. If I want to know if a bike has a more upright or stretched position, which geometry data do I have to compare?
- 143
2
votes
1
answer
125
views
Specs to take into account when changing frame on Enduro MTB
The frame of my Enduro MTB is cracked and needs changing. The bike is 10 years old so I will look for a second hand frame and I'd like to be able to use as many of my current parts as possible.
What ...
- 123
4
votes
5
answers
2k
views
How to choose frame size as a non-flexible person?
I've been commuting regularly to work during the last four years and I would like to get a road bike to replace my old city bike and enjoy some cycling on the weekends. I've been looking which bike ...
- 145
1
vote
1
answer
206
views
Does a smaller than recommended frame size cause problems?
What problems, if any, should I expect from an undersized frame, and how small would the frame have to be before these issues occur? For the sake of the question please assume an older steel diamond-...
- 23
-3
votes
5
answers
395
views
Would a Rockefeller custom-build a frame? (If money were no object, is a custom frame always preferable to stock)
Even more briefly
Suppose you're a Rockefeller. In other words, money means nothing to you, and a 100K-250K bill is an insignificant expense. You select a bike model and find you are between two frame ...
- 9,610
1
vote
1
answer
980
views
Making bigger steel frame smaller
i bought old Peugeot carbolite 103. With size 60cm which is very big for me, so I have an idea to cut it to 50cm. Do you think it's worth it and the risks?
Edit: Guys thanks for the fastest ...
- 19
0
votes
1
answer
117
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 ...
0
votes
0
answers
148
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 ...
- 53
3
votes
2
answers
757
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 ...
- 31
0
votes
1
answer
125
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 ...
- 2,090
2
votes
1
answer
176
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 ...
- 1,509
0
votes
1
answer
2k
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....
- 243
4
votes
3
answers
4k
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 ...
- 41
2
votes
1
answer
1k
views
Building a 700c bike. Hub sizes
Trying to build a bike on a cyclocross frame. So the wheel will be 700c. Need hubs. Fork size is 100x15 with thru axle. Rear drops size 142mm x 12mm thru axle also. So it means I need any hubs which ...
- 23
1
vote
2
answers
1k
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 ...
- 121
2
votes
2
answers
5k
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 ...
- 746
2
votes
1
answer
467
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
3
answers
13k
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 ...
- 195
3
votes
4
answers
287
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 ...
- 31
0
votes
1
answer
675
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....
- 103
0
votes
3
answers
182
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 ...
- 847
0
votes
1
answer
492
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, ...
- 113
3
votes
4
answers
867
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. ...
- 1,945
4
votes
2
answers
10k
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. ...
- 41
0
votes
2
answers
270
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 ...
- 1,907
1
vote
1
answer
5k
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 ...
- 13
1
vote
1
answer
532
views
Posture on mountain bike long term
I have been looking at sizing guides because I'm contemplating ordering a new bike and found out that I'm the totally wrong size for the bike I actually have.
I'm normal proportions and 5 foot 7, but ...
- 1,658
4
votes
4
answers
5k
views
I have a hybrid bike which the frame is too big, is there any modifications I can make to make it more comfortable?
I bought a hybrid bike from halfords around 6 months ago, however i have only recently had chance to ride it. I have found that the frame is too big, they wont exchange or give me a refund. I was ...
- 51
1
vote
1
answer
61k
views
Converting frame size to wheel size
I've been trying to determine what size road or mountain bike I should purchase. All the charts I've found suggest what frame size I should have, but online shopping only lists wheel sizes. How do I ...
- 113
2
votes
1
answer
3k
views
What fork size is 32mm (inside diameter on the frame) considered?
Good day, I'm new to the whole bike building process, but I've finally decided to make the step and build a semi-nice bike.
I've bought a really nice aluminium frame 2nd hand, but its sizing has me ...
- 143
0
votes
2
answers
13k
views
I am 182 cm tall. Is a road bike with a frame height 54cm good for me? [duplicate]
I have an option to buy a road bike that has the height of the frame 54 cm : https://www.willhaben.at/iad/kaufen-und-verkaufen/sport-sportgeraete/top-rennrad-ktm-strada-nur-9-3-kg-alles-shimano-...
- 175
1
vote
2
answers
222
views
What accommodations might be made for riding a frame 4'' too large?
I have been offered possession of a very old and interesting bicycle, made in 1933. It appears to be in quite good condition, and has a lot of interesting history. However, it features a 26'' frame, ...
- 1,920
1
vote
1
answer
2k
views
Fitting questions - Effective top tube vs horizontal
I'm stuck in understanding size tables of a bike.
For example this size chart:
Am I right in my thoughts?
Effective top tube (ETT) is horizontal value so, it's B1 on the chart.
BS is the length of ...
28
votes
5
answers
123k
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?
- 551
0
votes
4
answers
29k
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.
- 47
0
votes
2
answers
3k
views
A bike smaller than is recommended
I have 180cm and the recommended size for me is 58cm or so, which i already have, a classic Peugeot racing bike. Works relatively ok but i found that i ride it better when i'm leaning forward and keep ...
- 111
4
votes
1
answer
11k
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.
...
- 1,585
4
votes
2
answers
461
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 ...
- 195
10
votes
4
answers
31k
views
How can I tell if the size of a bike is right 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 ...
- 19k
1
vote
4
answers
1k
views
How to convert 17" bike to 18" without changing the frame
I bought an Author Basic (2012) with a 17" frame.
But I have some back aches after 2 or more hours of cycling (just cycling or with little jumping) and sometimes I feel a little unsure while riding (...
- 121
1
vote
3
answers
731
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 ...
- 501
0
votes
5
answers
5k
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 ...
- 101
9
votes
2
answers
169k
views
Frame sizing: "medium" vs. inches vs. centimeters
How in the world does 17-18 inches match up to 53-54 cm??
I was looking up bicycle sizing charts and found the ones on the Evans website interesting, if somewhat confusing. For example, see the ...
- 357
17
votes
12
answers
128k
views
What are the advantages and disadvantages of riding a smaller Mountain Bike frame?
I am 182cm (5' 11'') tall and am looking into buying a new frame for my mountain bike.
Right now i have a 19'' frame and i found a good deal on a 17'' frame.
The guy from the shop told me that it ...
- 2,327
30
votes
5
answers
17k
views
Explaining the effects of frame geometries
I asked about buying a bike here, and someone asked on my behalf about test-riding a bike before buying.
My question is, what should I know, or should have known, about the sizing or 'geometry' of a ...
- 12.1k