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Is it due to poor technique or a poor bike fit? I'd like to correct it as it makes my sprinting very poor.
Rear skips sometimes but that's being too far forward..
'18 Giant TCR Advanced Pro 1 - R8000 - QuarQ DZero - SLR1
'16 Genesis Equilibrium - U6800 - FSA SRM - WH6800
'13 Giant Trinity Composite - U6800 - QuarQ DZero
"I'm not a real doctor; But I am a real worm; I am an actual worm." - TMBG
hna wrote:Isn't Awang doing that on purpose?
I'm not sure where that was taken, but doing a wheelie just as he's losing a sprint? I don't think so. At least not intentionally. He does have a tendency to move way back on his saddle and lose some control, and riders around him have often commented on it.
Second, if you jerk with your arms, you will lift the front wheel. Some people try to make up for lack of core strength by pulling harder with the bars, in effect trying to brace the torso. Again, it can lift the front wheel temporarily.
Third, where is this happening? On a straight or a banking? If you are pointed uphill at all, it's much easier to lift your front wheel slightly because your center of gravity is rotated backwards.
Mostly we need to see photos. It's hard to make much of that problem without seeing what might be causing it.
Also the track guys will all tell you it easier to accelerate in a lower gear. Often popping up the front wheel indicates you are trying to accelerate in to large a gear and so are pulling too much with your hands to compensate. Again i probably did this a lot more when I was younger because I had down tube shifters and so would shift up more in anticipation of sprint than I do now.
raptor03 wrote:I run a 90mm stem & am on about a total of 18.5cm's worth of headtube + spacers in front. Pretty tall and mostly legs hence my setup. I've also noticed that I tend to touch the handlebars w my knees when standing - is this normal?
If you move too far forward while standing you can certainly touch the handlebars. But I'm wondering about your fit. An 18.5 cm head tube, plus spacers, and you're riding a 90 mm stem? Something's probably wrong. I'm thinking you may be on a frame that's way too big. That short a stem on that big a frame means you aren't getting your weight forward far enough to weight your front wheel properly. You really need to post photos if you want any better assessment of what's going on.
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