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How tall are you and what frame size do you ride?

Old 01-23-22, 08:28 PM
  #126  
Kapusta
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5’-10”. Typically fit something like a 50cm traditional, or 48ish compact. The sizing is mostly driven by needing a short reach.

I am an outlier for sure.
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Old 01-23-22, 08:45 PM
  #127  
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[QUOTE=Kontact;20374488]5'4" and 50 or 51cm.

In my experience, the height vs size information Trek and several other manufacturers advertise is reasonably accurate:
https://www.trekbikes.com/us/en_US/s...ble_bikes_road


My height 177.5 cm , I ride a TREK Emonda ALR size 54.
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Old 01-23-22, 09:50 PM
  #128  
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Here is the data in a graph for the ~100 responses with self reported height (inches) and reported frame size (converted to cm where needed). For multiple reported sizes I used either the middle one or the 'favorite' one.
So next time just take 95% of your height in inches and subtract 10.5 and that is your frame size in cm at least for BF members.... well, better take a test ride anyway.


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Old 01-23-22, 10:22 PM
  #129  
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Originally Posted by billridesbikes View Post
Here is the data in a graph for the ~100 responses with self reported height (inches) and reported frame size (converted to cm where needed). For multiple reported sizes I used either the middle one or the 'favorite' one.
So next time just take 95% of your height in inches and subtract 10.5 and that is your frame size in cm at least for BF members.... well, better take a test ride anyway.


Spot on for me....I am 5'10", and prefer a 56cm frame. Your formula hit it exactly!
For 5'10", x=70
.95(x)-10.5=56
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Old 01-25-22, 01:34 PM
  #130  
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Originally Posted by billridesbikes View Post
Here is the data in a graph for the ~100 responses with self reported height (inches) and reported frame size (converted to cm where needed). For multiple reported sizes I used either the middle one or the 'favorite' one.
So next time just take 95% of your height in inches and subtract 10.5 and that is your frame size in cm at least for BF members.... well, better take a test ride anyway.


Spot on for me as well. I'm 5' 8" and ride a 54cm frame. This algorithm suggested a 54.1cm frame for me. Very close!
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Old 01-26-22, 08:27 PM
  #131  
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Old 01-26-22, 08:54 PM
  #132  
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Originally Posted by Kapusta View Post
5’-10”. Typically fit something like a 50cm traditional, or 48ish compact. The sizing is mostly driven by needing a short reach.

I am an outlier for sure.
Right there with ya... sorta. I am 5'9.5 and I am most comfortable on my 51cm Synapse.
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Old 01-28-22, 09:48 PM
  #133  
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One thing to keep in mind as you get older - say past 60… you will want a more upright position and perhaps a bit shorter frame to decrease reach and stress on shoulders and neck.
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Old 01-29-22, 05:52 AM
  #134  
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178cm, and I ride a Giant sized medium frame (570mm top tube).
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Old 01-29-22, 06:27 AM
  #135  
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I wonder what the R squared would be if one only looked at riders 6 foot and higher.

Many top bikes stop at 58 and the big jump to 61 is a special order.
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Old 02-16-22, 04:57 PM
  #136  
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I'm 5'10" (178cm) and I ride a 56cm Specialized Tarmac, Fuji Transonic 2.3 56cm, and a 55cm LeMond Zurich Triple.
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Old 02-16-22, 07:16 PM
  #137  
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I'm 6' 2" (when I stand up straight) and have about a full 34" inseam. My two Wabi's are 61's. I like the little bit bigger frame and it allows me to stretch out more. My old Pinarello Montello is a 57 or 58 I think and it is really too small for me. Yes it's a tight-framed geometry but I feel like I'm closed in a box on that bike.

I've always been a firm believer that the person's inseam dictates frame size as much as height of the rider.
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Old 02-16-22, 08:59 PM
  #138  
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(Height - Inseam) is what actually matters...
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Old 02-17-22, 10:56 AM
  #139  
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I am 6'3" (75 inches) with an inseam of 35 inches and comfortably ride a 61cm in classic frame geometry. I could probably fit a 63 or even a 64, with compact geometry even larger. However, my arm span is slightly short for my height at 6 feet exactly, so the longer reach of anything bigger than a 61 is less than ideal. Also, 61cm frames are limited but not impossible to find, anything bigger is slim pickings.
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Old 02-19-22, 08:07 AM
  #140  
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I'm exactly 5'10" with a slightly longer than average for my height ~33" cycling inseam and a slightly shorter than average torso and arms.

For road and cross bikes, I generally buy a 54 or a medium. Back in the steel bike days when high end frames were sold in 1cm increments and top tubes were level, a 55 with a "fistful of seatpost" showing was perfect. Today almost no one actually sells a 55 and I prefer to go slightly smaller rather than slightly larger. I generally use a 100mm-110mm stem. I run between 3"-5" of saddle to top-of-bar drop on road and cross bikes.

I bought a 56 bikepacking bike as I wanted higher stack and more room for a frame bag. I slammed the stem and put a shorter 90mm stem on it to compensate for the slightly longer reach.

I much prefer smaller mountain bikes to bigger ones and go with a medium. This is especially true these days as the reach on a modern MTB is out of control long.
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Old 02-19-22, 02:25 PM
  #141  
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5'11" and ride 56cm frame, feels perfect for me.
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Old 02-19-22, 02:50 PM
  #142  
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5'4". 50cm
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Old 02-19-22, 06:12 PM
  #143  
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5-10. 32 inch inseam, 54-56
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Old 02-19-22, 06:35 PM
  #144  
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Wow. You're 5'10" and ride a 50cm frame, and there's someone 6'0" that rides a 66cm frame. Those are some serious outliers!
Originally Posted by Kapusta View Post
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Old 02-19-22, 06:54 PM
  #145  
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Originally Posted by tomato coupe View Post
Wow. You're 5'10" and ride a 50cm frame, and there's someone 6'0" that rides a 66cm frame. Those are some serious outliers!
Yep. I need a short reach for my height.

That 50cm size is assuming traditional (non-compact) frame. My current frame is a 48cm Fog cutter (sloping top tube).


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Old 02-19-22, 07:09 PM
  #146  
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6'-2", 58cm frame

right in the middle of the existing 74" dots, but a bit below the trend line.
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Old 02-19-22, 09:48 PM
  #147  
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I'm 5'10 (178cm) barefoot and ride 56cm c-t. I have a few 55cm frames and they fit nicely too.
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Old 02-20-22, 02:25 AM
  #148  
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I’m 6’ 2” and I ride a 52cm frame.
I first tried a 51cm and it felt way too small. I then tried a 53cm and it felt way too big.
So I then paid $600 to have a professional fit and after taking a lot of measurements she was amazing and discovered that a 52cm was a good fit
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Old 02-20-22, 09:06 PM
  #149  
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Originally Posted by downhillmaster View Post
I’m 6’ 2” and I ride a 52cm frame.
I first tried a 51cm and it felt way too small. I then tried a 53cm and it felt way too big.
So I then paid $600 to have a professional fit and after taking a lot of measurements she was amazing and discovered that a 52cm was a good fit
It was a professional fit that convinced me to try a frame MUCH smaller than anyone would believe (48-50 for my 5'10" height) . The fit numbers turned out to be dead on for me. I had been riding ill fitting 52-54cm bikes for years.
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Old 02-21-22, 04:19 AM
  #150  
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Originally Posted by Kapusta View Post
It was a professional fit that convinced me to try a frame MUCH smaller than anyone would believe (48-50 for my 5'10" height) . The fit numbers turned out to be dead on for me. I had been riding ill fitting 52-54cm bikes for years.
I'm curious. Do you have a really short inseam for your height? I ask because I was 5'10" (now about 5'8" 1/2") but my inseam is the same at 32.5" and using the LeMond-Guimmard formula a 54-55 traditional frame is perfect. FWIW a 55 virtual TT is also perfect. So, I ride what some people call a " square 55."
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