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He helped me understand when I didn't so many times. Thank him for his service to the world bike community and thank you for making the information free to everyone.

I reckon everybody on the planet who is into bike maintenance watches his videos: a truly gifted educator. Best wishes for the next chapter Calvin!

Congratulations to Mr. Jones!

Thank you Calvin for all the years of education. You made me a better mechanic!

Calvin is a legend, a great teacher and I will miss his wise advice.

A well deserved rest