I have a Shimano Flight Deck. The main problem I have, and you would think that I would have adapted to it by now, is when I grab the hoods for leverage on climbs, I frequently turn the computer off my accidently hitting the right button. I know that I should turn it on and go to secondary mode, where worse case scenario is I cycle through the functions and the computer is still on. Is there anything anyone does to solve thisl problem. I grow tired of putting hours on the bike, glancing down at the computer and wondering how many miles I have lost.

I cant turn mine off buy hitting the right hood button. It just cycles through the modes. Hit both left and right,it set everything back to zero.

I ment "left" button. I don't have a problem with cycling through the functions. I just hate looking down and finiding out that the little "mph" is not flashing and wondering how long it has been disengaged. (If I ride 50 miles, darn it, I want to see 50 miles on the computer!!!).

Is there a solution. I have learned to put the computer in "secondary mode", but I don't do that consistently. I though maybe there was some other solution.

Be more carful. I just dont have that problem.

I honestly also have never had that problem. I do leave the computer in auto-start/stop mode however. The only problem I have is forgetting to wake SC-6501 from sleep mode at the beginnning of the ride.

Yep,sure wish just a spin of the wheel would start it.

It does if you have it configured into auto-start/stop however with the SC-6501 and SC-6502, you have to manually wake it up (press the A button on the back) if it has gone to sleep (not simply stopped). With the older SC-6500, a spin of the wheel would also wake it up in addition to auto-start. According to Shimano, the change was made to address the criticism of premature battery drain. I have both the SC-6500 (on my MTB) and SC-6501 (on my RB) and have yet to see a major difference in battery life between the two.

Know all that. I'm talking about going out in the morning and hoping on the bike and the computer gets going as soon as the wheel starts spinning. I think mine is the second year flight deck and as far as i know,it dont do that. I have to push the button on the back of the computer on the right sitting on the bike.

I too have this problem a lot. I am at the point of ditching the cute chainring/sprocket display and going with the Cat-Eye dual sensor computer. I HATE having the blinking MPH go steady on me! As a backup, check the odometer before you start a ride; it doesn't ever stop, of course. - Jim

From: Shokhead:

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"Be more carful. I just dont have that problem."
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I have no problem with the computer wake up. I check my bike out before I ride it anyway. It is just a matter of pushing a little button before pushing off. You want to put the computer in the right mode anyway, so how hard is it to push a little button on the back of the computer first?


Doc, it hurts every time I raise my elbow like this.......Don't raise your elbow like that.. That will be $50 for my consultation fee please.

I had this problem too, I put a rubber washer, the kind you put in a water hose, under the left hood and haven't shut it off by accident since. Been working fine for two years like this. A few times I had to reposition the washer but many.

Well Metro, you have a lot of company, unfortunately. I like the answer from JohnOO.
I have just fiddled around with the hoods until the button did not compress so easily.
I have not done it, but this summer if I shut the thing off once on a century I will be trying to put an O ring or a washer around the button to make it less sensitive. Maybe even just a piece of a tube right over the button, under the hood, would make it less sensitive. Experiment a little, then post your results, I would like to hear what happens.

Thanks guys. That's exactly what I am looking for. I did a 55 miler this Saturday past and was trying to follow the cue sheet. It's a lot easier when the computer mileage jibbes with the cue sheet. Also like you, when I ride 100 miles, I want to see 100 miles on the computer.

Short of moving the button to the underside of the brake hood, (Might be a good suggestion to give to Shimano), I will try the O-ring thing too. Thanks John00. Greatly appreciated. I will keep you posted.