Bike Fit Feedback
#1
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Joined: Sep 2014
Posts: 92
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From: Findlay, OH
Bikes: 2014 Bianchi Sempre Pro, 1995 Bianchi Premio, 2014 Bianchi Pista Fixed Gear, 1994 Bianchi Timber Wolf
Bike Fit Feedback
Partially because my weather won't warm up, I'm bored, but also just curious for feedback. Obviously these photo's aren't scientific but as close as I can get. Some basics: I'm 5'11" (180.3cm) with a 35" (89cm) inseam. Bike is a "58cm" with a 57.5 Effective Top Tube. In the photos I am using an 80mm stem, but also have the original 110.
A bike fitter had me raise the saddle to this point, and increased saddle set back. Even though my arms to my (hunchback...geez) torso is less than 90 degrees, this is comfortable for both my head in both the hoods and the drops. In fact, the drops are more comfortable now than ever for some reason. Over all I love the changes he suggested (raise saddle, more saddle setback, adjusted cleats, went from a 45cm wide handlebar to a 40cm even though he suggested 38).
My concerns are 1) My saddle setback is now 9cm, which seems like a lot. For my first 10,000 miles on this bike I had the saddle slammed forward for comfort but numb hands. 2) Should I put my 110 stem on even though I'm comfortable with my hunchback (never seen myself photographed on a bicycle like this) and the reach as it is now? 3) Nervous about the saddle height (78cm to BB) as it feels like I am really extending my legs even though that angle tells me I could go higher, or have even more saddle setback. 4) Should I stop f'n with this stuff and bundle up and ride? Some lines and angles on the photos were for my reference.

A bike fitter had me raise the saddle to this point, and increased saddle set back. Even though my arms to my (hunchback...geez) torso is less than 90 degrees, this is comfortable for both my head in both the hoods and the drops. In fact, the drops are more comfortable now than ever for some reason. Over all I love the changes he suggested (raise saddle, more saddle setback, adjusted cleats, went from a 45cm wide handlebar to a 40cm even though he suggested 38).
My concerns are 1) My saddle setback is now 9cm, which seems like a lot. For my first 10,000 miles on this bike I had the saddle slammed forward for comfort but numb hands. 2) Should I put my 110 stem on even though I'm comfortable with my hunchback (never seen myself photographed on a bicycle like this) and the reach as it is now? 3) Nervous about the saddle height (78cm to BB) as it feels like I am really extending my legs even though that angle tells me I could go higher, or have even more saddle setback. 4) Should I stop f'n with this stuff and bundle up and ride? Some lines and angles on the photos were for my reference.

#2
Senior Member
Joined: Sep 2009
Posts: 2,067
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From: USA
Bikes: 84 Pinarello Trevisio, 86 Guerciotti SLX, 96 Specialized Stumpjumper, 2010 Surly Cross Check, 88 Centurion Prestige, 73 Raleigh Sports, GT Force, Bridgestone MB4
Does not look bad. Bend your elbows so your forearms are straight with your hands in the drops.
I tell you, I never get over the saddle height guessing game. Set your saddle to .883 of your pubic bone height (cycling inseam taken in bare feet) and adjust a skosh from there. This measured from center of crank along the seat tube to the crown of the saddle.
I am right at 5'11", or just under, and I prefer a 56cm t/t top tube (56cm square frame) and usually a 100mm stem. My PBH is 86cm and I run my saddle on all of my bicycles, road, mtb, E3S, whatever, at the same 76cm to 75cm saddle height, plus or minus, to account for shoe/cleat stack.
You are a little taller than me I think and you have nice long arms so an 80cm stem might be a touch short.
Good luck.
I tell you, I never get over the saddle height guessing game. Set your saddle to .883 of your pubic bone height (cycling inseam taken in bare feet) and adjust a skosh from there. This measured from center of crank along the seat tube to the crown of the saddle.
I am right at 5'11", or just under, and I prefer a 56cm t/t top tube (56cm square frame) and usually a 100mm stem. My PBH is 86cm and I run my saddle on all of my bicycles, road, mtb, E3S, whatever, at the same 76cm to 75cm saddle height, plus or minus, to account for shoe/cleat stack.
You are a little taller than me I think and you have nice long arms so an 80cm stem might be a touch short.
Good luck.
Last edited by Loose Chain; 03-20-17 at 07:13 PM.
#3
Thread Starter
Senior Member
Joined: Sep 2014
Posts: 92
Likes: 1
From: Findlay, OH
Bikes: 2014 Bianchi Sempre Pro, 1995 Bianchi Premio, 2014 Bianchi Pista Fixed Gear, 1994 Bianchi Timber Wolf
Thanks, also noticed that on my elbows. Will pay attention to that on my next ride. I'm leaning against that cabinet trying not to fall over, so not sure if that's a factor. Thanks again.
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