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Bicycle Fit

Old 01-06-09, 08:24 PM
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Bicycle Fit

Hey guys,
I've been adjusting my bike fit lately and tonight I had someone take pictures while I was on the trainer. I think I've got it down now, but everyone else did a fit thread, so why not? I feel mostly comfortable but something is a little bit off, and I'm not entirely sure what. I was thinking of trying a 90mm stem as opposed to the 100 that's no there now. Any suggestions at all would be appreciated. Thanks in advance,

George




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Old 01-06-09, 08:41 PM
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I think the seat is too high and perhaps too far back.

Once you get the seat positioned about right, I think you'll find yourself too cramped and wish you had a longer stem. You will want to end up with a flatter back.
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Old 01-06-09, 08:46 PM
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Saddle too high; bangs too long
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Old 01-06-09, 08:53 PM
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Originally Posted by Randochap
bangs too long
https://www.youtube.com/watch?v=yR4cRF0z8I4
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Old 01-06-09, 08:55 PM
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I'll adjust the saddle height tomorrow and try it out. I'm not planning on cutting my hair for awhile though
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Old 01-06-09, 09:02 PM
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Agree, the seat is too high, knee should bend more, around 30 degrees +/- in the first picture. In the last picture, I think the knee-elbow clearance is real bgood, so I wouldn't move the saddle forward unless the wheel loading is too extreme and there are handling problems, or the saddle position (angle) cannot be adjusted for comfort.

think the handlebars may be too low, but maybe it's just way lower than I could ride.

With all that back curvature, maybe the stem should be longer?

It's hard to sight KOPS from a photo, and of course it's not clear if KOPS is right for you, but it does look like your knee is behind the pedal spindle. this is not NECESSARILY a problem.
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Old 01-06-09, 09:15 PM
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Originally Posted by G. Ike
I'll adjust the saddle height tomorrow and try it out. I'm not planning on cutting my hair for awhile though
No, don't take fashion advice from me!

The more things change dept.: check out the photo on front page of my website (link below).

Still riding strong, 45 years later ... sans hair.
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Old 01-06-09, 09:36 PM
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I have a stack of spacers above my stem as you can see. When I started racing, I just automatically lowered it as much as possible and rode until I got comfortable with it. There is quite a bit of drop and I really didn't even think of raising the bars. Perhaps I'll try that tomorrow, too and see where it gets me. Thanks for the suggestions, everyone! I'll let you know how the adjustments feel later tomorrow.
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Old 01-06-09, 09:39 PM
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I agree about the saddle height. It looks like your legs are too fully extended in the second photo.
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Old 01-06-09, 09:43 PM
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Originally Posted by G. Ike
I thought Joey Ramone was dead.
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Old 01-06-09, 10:40 PM
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The hoods are meant to be ridden bro.
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Old 01-06-09, 11:11 PM
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That was the only picture I had of me on the hoods and I thought 5 pictures would be too much. And looking at it again, I'm not sure whether I grab the hoods like the picture or if I wrap my fingers around them more often.
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Old 01-06-09, 11:29 PM
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Ouch. Back.

Check saddle height for sure.
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Old 01-06-09, 11:39 PM
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The ducks (geese?) in the top left hand corner. My aunt wants them.

PS -- too much leg extension.
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Old 01-06-09, 11:54 PM
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Originally Posted by StupidlyBrave
I think the seat is too high and perhaps too far back.

Once you get the seat positioned about right, I think you'll find yourself too cramped and wish you had a longer stem. You will want to end up with a flatter back.
A big plus one to this!

If you're moving your saddle forward, do it in increments of 2mm every week or so.

Lower your saddle till your foot is flat the the bottom of the stroke when your leg straight. Once you get into this ballpark, make adjustments that make you feel more comfortable. Give it a few rides to get used to the position and try not to go too hard before you have a feel for the position (few hours atleast).

I think you will want to go with a new stem, possibly one that's 20mm longer once you adjust your saddle.

With your hands in the hoods, your back should be flat, not curved. Try to get there, and then adjust based on what your body tells you.

Honestly, your fit *looks* pretty far off. If you're comfortable with tweaking things, then keep at it. But if you get a fit from someone who knows what they're doing, you can remove a lot of the aggravation of things not working/injury that might accompany changes that aren't right. Trust me on this one...
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