I have a trapped nerve in my neck, even though my bike fit is ok if my nerves are playing up i do get tingling even off the bike, i found the specialized phat bar tape helps to reduce buzz to a comfortable level and i do have an aluminum bike which is fairly stiff .I have the same problem, but it was worse before I moved the saddle back a touch, raised the steering a bit and fitted a shorter stem.
Check out the various articles and videos about "Bike Fitting" if you haven't already.
You may just have a jangly ride though- especially if the bike is all aluminium.
Finally, make sure that your gloves and bar tape aren't part of the problem, and that you're not just gripping too hard.
Good luck!
Could be cleat set back on the shoe, i moved my cleats back a bit and it solved that issue for me.I had this when I first switched to a Road bike with drop bars. For me it was a case of me being to tense & gripping the handlebars to tight, or not moving my hands enough. I used to have terrible habits, clenching my jaw was a weird one, never even knew I was doing it.
Still get pins & needles in my toes, but currently trying out height & angle of my seat to fix it.
Could be cleat set back on the shoe, i moved my cleats back a bit and it solved that issue for me.
Maybe you need shims or footbeds ? apparently a large proportion of people ride with rotated angles ( like wearing your heel lop sided ) which can give hoot footI do have the cleats as far back as they can go, & it's helped. Not 100%, but it's not as bad.
Worth a try. I know I I've cleared arch pain from walking with insoles, but there only 3/4 length. Never thought to try full support for the shoes. Hopefully a off the shelf one can help. Bit expensive getting a custom mold.Maybe you need shims or footbeds ? apparently a large proportion of people ride with rotated angles ( like wearing your heel lop sided ) which can give hoot foot