Welcome to BF.
Just start reading thru the threads in the different forums that interest you and you'll learn quickly. Tons of bike repair info can be found in the Bike Mechanics forum.
__________________
The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.