Folding Bicycle Blog

6+hrs of training

Posted by Dr. Yan Lyansky on Nov 20th 2021

This year I have alot of free time, due to a breakup. This semester, I took time off of teaching and created a startup. I expect MathPhD.com to grow into a major business in 2022. This year I started … read more

Sun recumbent trike

Posted by Dr. Yan Lyansky on Nov 15th 2021

I am a big fan of tadpole trikes. Today I saw my first Sun recumbent trike. It had bolt on axles with low end hub bearings. A single disc rotor in the rear with an added point of drag & resistance … read more

Edging is dangerous for bikes

Posted by Dr. Yan Lyansky on Nov 15th 2021

I recently fell off of my bike for the first time in many years. I just figured out the culprit...edging. Grass naturally grows over sidewalks. Edging removed the grass, bringing a nice looking edge t … read more

Loose cables on folding bikes

Posted by Dr. Yan Lyansky on Nov 10th 2021

Cyclists prefer neat and short cable housing. However folding bikes are different, the cables need to be loose and flexy in the front. Why? Folding a bike with tight cable housing will kink the cables … read more

Teaching kids to bike

Posted by Dr. Yan Lyansky on Nov 10th 2021

After teaching my kids I think I know a thing or two about how to teach kids to bike. Today I saw a woman working with her 3 year old, but I saw a few mistakes. So I stopped and shared a few ideas.&nb … read more