Folding Bicycle Blog

Rear Derailleur Spring Quick fix

Posted by Dr. Yan Lyansky on Nov 11th 2017

Once the spring fails there will be alot of chain slack, and shifting will be very problematic. It took me about 5 years until I blew out my first spring in a rear derailleur. After it failed … read more

Bicycle Mirrors that work

Posted by Dr. Yan Lyansky on Nov 11th 2017

Bicycle Mirrors Mirrors come in several styles 1. Helmet mirror: These are small and light. Due to vision problems I have never been able to use these. Hence I am unable to give an objective opini … read more

406mm vs 451mm tires on folding bicycles

Posted by Dr. Yan Lyansky on Nov 11th 2017

I recently saw some ads for Allen folding bicycles. They claimed their use of bigger 451mm 20" wheels was superior to the standard 406mm. Let's go through their rational:1. They claim the 451mm wheels … read more

Bicycle Hit by a Car? How to get out safely!

Posted by Dr. Yan Lyansky on Nov 7th 2017

Are you concerned about bicycling in traffic? Worried about getting hit by a car? Over the years, I have been hit about five times. I have not sustained any injuries in car/bike crashes, and I will … read more

Kids fit very well on folding bikes

Posted by Dr. Yan Lyansky on Nov 7th 2017

There is nothing more pleasing to hear than the unbridled laughter of children. It doesn’t matter if it’s your child laughing or someone else’s, it just fills us with joy. I learned a lesson about … read more