I remember trying to fix my own flat when I was 10 with a screwdriver, a cheap air pump and a crescent wrench. I bent my rim, ripped a hole in my new tube as i used the screwdriver to lever my tire back onto the rim and just generally felt helpless. But it's how everyone learns. Now I put together Di2 Time Ulteams and Colnago C59 italias....Never stop learning!