Which Mountain Bike Component Gives You the Most Trouble?

Modern mountain bikes are incredible machines that reflect decades of engineering design and refinement. And yet, they’re still not perfect.

Every mountain bike mechanic has found themselves cursing a component or class of components at some point in their career. And as riders, we can’t help but worry about that one finicky part on the bike that threatens to ruin our ride.

What is it about this part that makes it so frustrating? Tell us about it in the comments!