My dad (53) has been riding his bike for the past 3-4 months now and was complaining to me about numbing fingers that would make it impossible to ride any longer than 4-5 miles. At the time he was on a mtn bike so I told him a properly fitted road bike would fix that problem because it certainly helped me when I was in his position. Plus road bikes are awesome =). But anyway, so I just built up a road bike for him and he once again has these tingling numbing issues in his hands. He and my mom have been remodeling the house now that I moved out, and he does alot of the work himself. I was wondering if maybe this was putting too much stress on his hands, making riding all the more uncomfortable. Or maybe perhaps he just needs to play around with the saddle height/stem length? Anyone with experience with this I would greatly appreciate. I was really looking forward to riding with him on a 40 mile loop along to coast of socal when I came home for the holidays. Thanks.