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Fixed gear - frame size?

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Old 03-22-17, 03:06 PM
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Originally Posted by Broctoon
Lots of factors come into play for toe clearance or overlap. Frame size, fork offset, crank length, head tube angle, and other dimensions all contribute.
shoe size?
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Old 03-22-17, 04:29 PM
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I'm a bit over 5'10 and I ride a 54cm c-t. It was the size I felt most comfortable on after trying both a 54 and 56. You shouldn't base the size solely by stand over but it sure is nice having ample room for the boys, so it's still a criteria for me.

Best thing is to go and try few different size bikes. If you are 6' I'd suggest you try a 56cm see how it feels and if it feels too small go for 58cm. It's all just speculation until you actually try it.
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Old 03-23-17, 12:01 AM
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At 6' you should be either on a 56 or 58, with the 56 at the bare minimum. Really depends on your build at that height. 56 might be too small, 58 too big, you would really want to try it out before purchasing. Co-worker at the shop is 5'8" and rides a 54cm S-Works Langster. I took it on a spin. I look like Donkey Kong on that thing. At 6', I am all torso and have short legs. Even with a 130mm stem it probably still wouldn't fit me.

Standover is really worthless unless all you do is stand over your bike. I like a higher top tube so I can sit on the dang thing at the light while still clipped in and my other foot on the ground.
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Old 03-23-17, 02:08 AM
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I ride 58 and I tried 52 and I think ST size doesnt matter much because I can adjust the seat post anyway.
Sure, on smaller bike handlebar is 3cm lower.
Im not comfortable on bigger bike as TT is too long (feel like my arms too short, I like to grab bullhorns).
On smaller bike I feel fine but I pay the price (toe overlap).
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Old 03-24-17, 12:24 AM
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Did you try the bike fit calculator at the Competitive Cyclist site? Someone linked it above.

It was developed by some people with lots of experience recommending frame sizes. You just take a bunch of careful measurement of your body, input them on the website, and it tells you what size you should be riding.

Could be worth a try...
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Old 03-24-17, 03:29 AM
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Originally Posted by Broctoon
Did you try the bike fit calculator at the Competitive Cyclist site? Someone linked it above.

It was developed by some people with lots of experience recommending frame sizes. You just take a bunch of careful measurement of your body, input them on the website, and it tells you what size you should be riding.

Could be worth a try...
yes but it doesn't include toe overlap...


I want to ride in upright position and hold the 'bullhorns' - which means I need the frame with short top tube.
But then I have the toe problem.
F**k.
I'm switching to kick scooter.
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Old 03-24-17, 03:45 AM
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Scooter sounds like a good plan.
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Old 03-24-17, 07:28 AM
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Originally Posted by mt12345
shoe size?

YES!!! And something else that is being overlooked---"Do NOT wear clown shoes when riding your singlespeed/fixed gear bike!" I know this is something that is really easy to forget, I mean in the whole excitement thing of being a clown and riding your beloved bike to your clown gig and all, but the clown shoes just don't work and the likelihood of collisions of clown shoes with front tire are almost inevitable, so carry the clown shoes in your clown bag until you get to your clown show.
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Old 03-24-17, 08:25 AM
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Originally Posted by mt12345
yes but it doesn't include toe overlap...


I want to ride in upright position and hold the 'bullhorns' - which means I need the frame with short top tube.
But then I have the toe problem.
F**k.
I'm switching to kick scooter.
Maybe an MTB frame? You can find them built for SS/FG and you sit more upright. You could even mount some BMX style bars if you want to be really vertical.
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Old 03-24-17, 02:15 PM
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Originally Posted by mt12345
yes but it doesn't include toe overlap...


I want to ride in upright position and hold the 'bullhorns' - which means I need the frame with short top tube.
But then I have the toe problem.
Bullhorns, by design, give a somewhat low, very forward, "aero" position. From lowest to highest, it goes something like:

- Track or "pista" drop bars
- Classic curve road drops
- Compact road drops
- Pursuit bars
- Bullhorns
- Flat bars
- Riser bars
- BMX bars (as someone suggested above)

So if you like to sit upright, bullhorns really aren't what you want.

Stem length also affects your position, with shorter stems putting you more upright... and they do this without changing the main triangle dimensions.

It is silly to select a frame based on a top tube length that will prevent toe overlap. So many other factors contribute! Use the fit calculator linked above and choose "French fit" in the pulldown options at the end (as opposed to Eddy or Competitive). This will get you in the right ball park.

Next, read what bike manufacturers say about their frames, like "true track geometry" or "somewhat relaxed" or "comfortable design for commuting and fitness riding." Something along the lines of the latter two will likely have clearance for your toes, and yes, even SS/FG frames are available all along this spectrum.

Finally, set up your bike with a steep riser stem and/or riser bars. Voila! You have the comfortable position you're after, no toe overlap, and no goofy frame measurements to make your bike uncomfortable or inefficient in other areas.

Also, this might sound crazy, but you could try going to a local bike shop and sitting on some bikes in person. They might even let you take a test ride. Then you'll know for sure what works for you, as opposed to a what a bunch of internet strangers tell you might work.
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Old 03-24-17, 04:25 PM
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Originally Posted by Broctoon
Bullhorns, by design, give a somewhat low, very forward, "aero" position.
they are 'flat' by default (parallel to the floor) I rise it up a bit (15-20 degrees).

Also, this might sound crazy, but you could try going to a local bike shop and sitting on some bikes in person.
not crazy at all.
actually I was planning to do so.
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Old 03-25-17, 05:03 PM
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I really dont like flat bars, I prefer to hold it like aircraft steering (joysticks?). I was using road drops for many years then I switched to bullhorns.

So what I need is 58cm frame with bullhorns installed backwards
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Old 03-25-17, 05:22 PM
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Originally Posted by mt12345
I really dont like flat bars, I prefer to hold it like aircraft steering (joysticks?). I was using road drops for many years then I switched to bullhorns.

So what I need is 58cm frame with bullhorns installed backwards
I know that you were probably joking but have you seen these...

VO Belleville Handlebar

Might be just the thing...

Last edited by QStorm; 03-25-17 at 05:56 PM. Reason: typo
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Old 03-25-17, 05:47 PM
  #39  
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https://www.bikeforums.net/classic-vi...bullhorns.html
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Old 03-25-17, 06:02 PM
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Are you good with that little downward lilt that the arms of bullhorn bars take on when turned backwards (as seen in the pics of that thread)? If so, there you go. 'Course you might cut a bit off the arms and solve that issue but it might leave the arms a mite short...
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Old 03-25-17, 06:46 PM
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Originally Posted by mt12345
I prefer to hold it like aircraft steering (joysticks?)
Steering yoke.

It sounds like your best shot is to get a short, steep stem and put a bullhorn in it. Install the bar, as you said, with the tips pointing up a bit. You could try it upside down; that might actually work well. Whatever you settle on, get the right size frame for your body--don't mess with the main tube dimensions in an effort to bring the handlebar into a comfortable position.

Good luck, and please post pictures when you get it sorted out. Some of the guys here will laugh or make fun of your bike, but I'm curious to see what you settle on.
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Old 03-25-17, 08:29 PM
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Originally Posted by Broctoon

It sounds like your best shot is to get a pogo stick instead of a bike.
fixed.
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Old 03-25-17, 08:45 PM
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Originally Posted by Scrodzilla
fixed.
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Old 03-30-17, 04:06 PM
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I recently ride bike with straight bar, I simply hate it. I feel much better with bullhorns but I was thinking about something between, like pursuit bars (holding the bent part near stem, not the ends) and finally I found this:

https://velo-orange.blogspot.co.uk/2...-it-weird.html
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Old 03-30-17, 06:18 PM
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To me, that thing looks about as goofy as a football bat. But don't let that deter you from using it, if it's what you like. I hope you find cycling bliss.
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Old 03-30-17, 06:38 PM
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I wouldn't say it's the worst handlebar ever made, but definitely top 5.
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Old 03-30-17, 09:22 PM
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No thanks.
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Old 03-30-17, 10:21 PM
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Yeah, I'd rather die.
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Old 03-30-17, 11:50 PM
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Originally Posted by mt12345
I recently ride bike with straight bar, I simply hate it. I feel much better with bullhorns but I was thinking about something between, like pursuit bars (holding the bent part near stem, not the ends) and finally I found this:

https://velo-orange.blogspot.co.uk/2...-it-weird.html
What part of that bar resembles pursuit bars?

12/10 I would not ride a bike with those goofy bars on there.
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Old 03-31-17, 01:03 AM
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come on guys, I didnt mean to buy this thingy.

I like this one though:
Fairweather B903 Bullmoose Bar, Black - Handlebars - Components
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