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surly long haul trucker. Help me choose the right frame size

Old 10-03-11, 09:50 AM
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surly long haul trucker. Help me choose the right frame size

hi all

I know this question might appear in the past but anyway

Please help me find the right size frame for me since i had Scott speedster s30 56 cm frame but i think it was small for me and i know frame geometry of Surly is different than racing bikes . what do you think my size will be , i am thinking to go with 58 , but i am still undesided if i should go size up or down

Here is my measurements


Measurements
-------------------------------------------
Inseam: 84 = 33.07

Sternal Notch: 155 = 61 inches
Total Body Height: 185 = that would be like 6.07 feet

Thanks
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Old 10-03-11, 10:24 AM
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definitely not down. 58 should do it. I rode a 56cm road bike and do fine on a 56cm LHT. I'm 5'91/2" w. 32" inseam. 700c or 26" wheels? The 700c feels like a lonngggg truck whereas the 26" wheeled bike feels like a more responsive handling truck. For slow riding and heavy loads I'd much rather ride the 26" wheeled bike with 1.75 tires. It's steering is more precise and natural(easier to ride hands off), the 700c version simply likes to go straight.
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Old 10-03-11, 10:27 AM
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I a 5'11" with a 32.5 inch inseam and ride a 54cm my wife is 6'1" with a 34 in inseam and rides a 56cm we had both bikes professionally fitted and the only change was in the stem length which was slightly shorter than the stock. I hope this helps some.
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Old 10-03-11, 11:29 AM
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For touring be safe and size up for a nice upright position. I call my touring bike the Winnebago. 63cm c-t-c with 38cm handlebars. It takes me in a straight line in a comphy position. (My femer and arms are extra long for 6'1 human.)

I knew something was up when I could fit in SW airlines seats but not Continental (same plane type.) It just seemed odd for a person not very tall.
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Old 10-03-11, 11:34 AM
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58cm. I am 6'2". Inseem is somewhere between 33" and 34". The 60cm I have doesn't leave much clearence, but enough. I could probably ride a 58 if that were the only factor. What I like is that the 60cm fits me great "up top." A lot of my height comes from above the waist. Without the steering tube cut and the bars at their highest point, the saddle is pretty much even with the bars, which is what I like in a touring position.
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Old 10-03-11, 12:59 PM
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What are the dimensions of the bike you own, and are riding, now?
top tube length and stem extension, as well as"size"/seat tube length.

can you visit a LBS and test ride their bikes .. for feel of the fit?
I expect they can use that info and order a LHT, as most shops
in the US, at least, have a QBP account. ...

Last edited by fietsbob; 10-03-11 at 01:03 PM.
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Old 10-03-11, 01:39 PM
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Thanks for the responce

Originally Posted by LeeG
definitely not down. 58 should do it. I rode a 56cm road bike and do fine on a 56cm LHT. I'm 5'91/2" w. 32" inseam. 700c or 26" wheels? The 700c feels like a lonngggg truck whereas the 26" wheeled bike feels like a more responsive handling truck. For slow riding and heavy loads I'd much rather ride the 26" wheeled bike with 1.75 tires. It's steering is more precise and natural(easier to ride hands off), the 700c version simply likes to go straight.
Thanks A lot. I forgot to mention i am using it for randonneuring. I know 60 will be big and 56 too small since is more relaxed and touring bike geormetry is different than road ,top tube lenght is different. I will have it with 700 C most likely.
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Old 10-03-11, 01:41 PM
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Originally Posted by 12bar
I a 5'11" with a 32.5 inch inseam and ride a 54cm my wife is 6'1" with a 34 in inseam and rides a 56cm we had both bikes professionally fitted and the only change was in the stem length which was slightly shorter than the stock. I hope this helps some.
I was thinking to do 58 , since people are saying there is more clearence, is more relaxed and comfotable for long rides , handlebar is closer level as the seat ... etc. But now that you are telling me after proffecional fitting both of you are sized to 56 cm i am really thinking whats better
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Old 10-03-11, 01:43 PM
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More Imputs Please. 56 or 58 Surly LHT for 6 1 " person with 33 inseam
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Old 10-03-11, 01:45 PM
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Yes but local shops dont really have Surly LHT and fitting me on regualr road bike will not help me much since the Surly has different frame geometry
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Old 10-03-11, 01:49 PM
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I have few more of my measurements but i dont know how accurate they are. i tried doing my best taking it from competitvecyclist

Measurements

-------------------------------------------
Inseam: 84
Trunk: 68.5
Forearm: 33.5
Arm: 67.3
Thigh: 61.5
Lower Leg: 55
Sternal Notch: 155
Total Body Height: 185


The Competitive Fit (cm)
-------------------------------------------
Seat tube range c-c: 54.4 - 54.9
Seat tube range c-t: 56.1 - 56.6
Top tube length: 55.2 - 55.6
Stem Length: 11.2 - 11.8
BB-Saddle Position: 71.9 - 73.9
Saddle-Handlebar: 54.3 - 54.9
Saddle Setback: 5.7 - 6.1


The Eddy Fit (cm)
-------------------------------------------
Seat tube range c-c: 55.6 - 56.1
Seat tube range c-t: 57.3 - 57.8
Top tube length: 55.2 - 55.6
Stem Length: 10.1 - 10.7
BB-Saddle Position: 71.1 - 73.1
Saddle-Handlebar: 55.1 - 55.7
Saddle Setback: 6.9 - 7.3


The French Fit (cm)
-------------------------------------------
Seat tube range c-c: 57.3 - 57.8
Seat tube range c-t: 59.0 - 59.5
Top tube length: 56.4 - 56.8
Stem Length: 10.3 - 10.9
BB-Saddle Position: 69.4 - 71.4
Saddle-Handlebar: 56.8 - 57.4
Saddle Setback: 6.4 - 6.8
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Old 10-03-11, 01:58 PM
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Originally Posted by emilow
Thanks A lot. I forgot to mention i am using it for randonneuring. I know 60 will be big and 56 too small since is more relaxed and touring bike geormetry is different than road ,top tube lenght is different. I will have it with 700 C most likely.
You just answered your size question.
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Old 10-03-11, 02:02 PM
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lht sizing db

https://docs.google.com/spreadsheet/...XcHZrQ3c#gid=0
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Old 10-03-11, 02:04 PM
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Well in my opinion. I just want to know what everybody think and what are they riding. Few people actually said they are doing 56 and have same hight and inseam as me
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Old 10-03-11, 02:43 PM
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you list inseam: that trouser inside length ?
or if you pull a big book up hard to the maximum height off the floor, straddling it,
that is what the top of the book to the ground measures?
that is more of a maximum frame of the bike stand-over, and will be more meaningful.

Of those , maybe the "French Fit", is less for racing posture than the others.

generally for road touring , a frame with a level top tube,
an inch of stand-over clearance is fine, 2 at the most.

Pre cut , too short a fork when you buy the built up, in Asia , LHT bike,
ask about the Un cut fork so It's your choice not someone who has never seen you.

I can usually help fit people I can see, not from data.. drop by a shop, I say again.


I have a touring bike I helped build, it , the top tube is a 57cm.
I judge by length any more , you can always raise the seatpost.
It has a sloping top tube , so measure short by that dimension, for seat-tube.
and adjust the length with stem extension, and steerer tube height.

getting older I want to lean over less..

and I need kickstands on my touring and town bikes
QBP's Surly brand product managers
for the LHT, never considered that important,

Soma Saga [Merry sales of So. SF Cal,] Did ..

Last edited by fietsbob; 10-03-11 at 03:06 PM.
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Old 10-03-11, 06:36 PM
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Originally Posted by emilow
Well in my opinion. I just want to know what everybody think and what are they riding. Few people actually said they are doing 56 and have same hight and inseam as me
see post #13
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Old 10-04-11, 12:25 PM
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Yea thanks seeker333 , i saw it already
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Old 10-04-11, 01:48 PM
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I'm 5'8" and a half inch with a 83.5cm or 32.6 inch inseam. I've been told by a Trek dealer that in a 520 I would take either a 51 or 54cm. And when I e-mailed competitive cyclist all my measurements, they told me I could take either a 51 or 54cm in their BMC SR 02. They told me with the 51cm, I would be lower to reach the bars while on the 54cm, I would be leaning forward more. Well, I think the handlebar height could be corrected with a 51 or 52cm but the reach on a 54cm, I think my only choice would be a shorter stem. I'd rather take a longer stem and riser bars on a 51 or 52cm and have more maneuvrability than to be streched out farther than I want to be.

I'm saying this because my inseam is almost close to yours although I'm way shorter. So, I'm guessing my 51 or 52cm might be your 54cm or 56cm whatever i guess.

EDIT: I just saw your CC results. My top tube recommendations vary from 51.8cm to 53.4cm.

Last edited by hybridbkrdr; 10-04-11 at 01:54 PM.
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Old 10-04-11, 07:23 PM
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Thanks for the opinion
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Old 10-07-11, 06:12 PM
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Something more to think about

I know its not rocket science but i guess i have time to think and even made spreadsheet


https://docs.google.com/spreadsheet/...xnRUE&hl=en_US



showing you my old Scott speadster (It felt smaller ) Geometry and The 56 and 58 Surly , also Competitve cyclist French and Eddy Fit and Wrench Science to compare.
So my conclusion seems to be that Head Tube On 56 and 58 are 19 mm apart (that doest bother me). Now effective top tube seems to be closer between French Fit and 56 Surly and 10mm longer thatn my Scott ( meaning more comfy and shorter stem) , and i guess thats the most important thing. Now with my 840 mm inseam 812 on the 56 Surly givems me better clearence of 28 mm compare to 10mm on the 58 so one more Plus for the 56 But Seat tube C-C and C-T seems to be closer between 58 Surly and French Fit than 56 Surly and the French Fit but a lot of people said thats not the most important thing . So i might go with the 56 cm having one more month to think. Most of the people my height and inseam seems to have the 56 as well.

Intresting i asket Surly and they actually responded also favoring the 56 cm. Here is the email




Thanks for your interest in our bikes!

The 56cm would be a better choice based on standover alone but your point about riding a bigger frame for touring/randoneuring is also valid. Likely either will work provided you find the right stem length to achieve your desired reach in accordance to your chosen handlebar. A correct top tube measurement trumps "frame size" in my humble opinion.

Please check out our "Spew" article on fit: https://surlybikes.com/blog/spew/spew_bike_fit/. You should also read Sheldon Brown's take on the topic if you are looking for more comprehensive view: https://sheldonbrown.com/frame-sizing.html.

If you have a bike you feel comfortable on already, grab a tape measure and compare it's measurements to the geometry charts on our web page https://surlybikes.com/frames/.Make sure you measure your frame in the same way that we have measured ours to achieve relevant numbers.

We try to shy away from recommendations because of the high probability that we would be wrong. Too many variables and too many variations in people of similar height makes it statistically improbable that we would be "right" more than half of the time.

Best Regards,

Trevor F Clayton
Surly Bicycles
- Sales/CS -
(952)941-9391 x1401
Trevor@SurlyBikes.com
www.Surlybikes.com



Hope this helps other people . Whats everybody thinking .


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Old 10-07-11, 11:15 PM
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I agree with LeeG. Get the 58c, 100%. That last thing you want is a tour bike that is too small with a stem too long and too high.
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Old 10-09-11, 05:43 PM
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thanks as I actually decided to go with the 58 cm frame black with 700 tires and build me a nice bike. I can't wait after so many people are saying good things about it
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Old 07-06-14, 12:31 PM
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I know it's been almost 3 years, but can you come back and tell us how it worked out? I would love to see pictures of your bike too.
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