Originally Posted by
justintime
A couple weeks back my mom was telling me how she and her brother (my uncle) used to ride a lot as teenagers. She said that she could do about 35 mph on flat ground but she was slow because she had a mountain bike with fat tires. Her brother had a road bike with skinny tires so he could ride a lot faster, more like 45 mph. I just said, "No mom, you did not ride that fast."
Don't argue with your mother!
Go back and apologize. Tell her you wish someday you could ride as fast as her! lol
No way can I average 20 on my heavy commuter with a load.
On my roadie I have a 20 mile after-work route (when not commuting) that I average 17.
But I'm old.