Coyote Dirt on Upright – BionicOldGuy
Published by BionicOldGuy
I am a Mechanical Engineer born in 1953, Ph. D, Stanford, 1980. I have been a...
Tag Archives: Upright
Back To Longer Upright Riding – BionicOldGuy
I’ve been only doing shorter rides on my upright because it was causing neck problems. But I’ve recently gotten more dil...