How to fix numb hands on new gravel bike despite professional fitting and shorter stem?
Look at the position of your shifters. It is often overlooked, people talk about positioning the handlebar by lowering/raising the stem, shortening the stem, but you can also move the shifters on the handlebar. Make your wrists comfortably straight. Many people (and shops) place their shifters too forward/low. Try to bring them back/up a little.