Numb/ tingling hand

I did a 100 miler on saturday at the end of the ride my left hand was tingling and numb, especially my little finger. This is not the first time this has happened but ussually goes away after an hour or two. But this time its still here 4days on. Im worried, have I done some serious damage?
How can I prevent this happening again?
How can I prevent this happening again?
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check the web site
or knock 1 out, what ever suits
"Hello oh great one"
LARRY
"Are you talking to me or my censored ?"
I guess it depends how much it bothers you, for me it was pretty frustrating for a while, so was glad to get it sorted.
Go for a bike fit, it will save you in the long run.
Xom
Road Rose Carbon Pro RS Custom
Canyon Spectral AL 7.9 29er
The damage is unlikely to be permanent after only 100miles - it will go away in days or weeks. Nerves are funny things and take their own time to sort out.
There's a few things that can be done to help out - some of it bike fit stuff, some of it discipline on the bike.
A good fit is essential - making sure there's not too much weight on your hands etc.
Bar gel, MarSAS padding etc. can help.
Make sure any transition points around the levers etc. are smooth (i.e. no little ledges).
Move your hands around as you ride - use the hoods, the flats, the bends, the drops etc. - don't sit in one position all day.
Learn to drink and feed yourself with both hands (let's say you only ever drink with your right hand - this puts an awful lot of pressure on the left when you're riding all day).
Gloves - try several pairs - maybe swap them half way through the day - don't be afraid to ride without gloves for a few hours.
Think that's about it for my thoughts. I suffered with ulnar nerve damage on my first 400km event earlier in the year - so went for a bike fitting, talked through the problems with other riders and came up with the above list. So far, touch wood, I have not had further aggravation with it despite now having ridden 600km events (and readying myself for Paris-Brest-Paris in August).
It is a very common problem in distance cycling - but that combination of fitting and your discipline on the bike will help (moving about your hands will also help your shoulders, neck etc.).
Hope that helps a little.
I had pins and needles in my little finger, sometimes for several days, about 18 months ago. I'd had some neck stiffness for a couple of months prior to that and it turned out that finger numbness is a common symptom of neck issues. It's not necessarily serious or hard to deal with. Some physio on my neck and the finger problem went away.
My problem was not cycling related (it was before I started cycling) but cycling can cause neck problems too and it's possible your 100 mile ride irritated your neck, not your hand.
Again, I'm not saying this is the most likely cause but I wouldn't rule it out. Especially if you do have any neck discomfort.