Your chain is the powerhouse of your bike. Every pedal stroke sends torque through it, transferring your effort to the rear wheel. Over time, the pins, rollers, and bushings inside the chain wear down ...

Normally, descents are my favorite part of mountain biking, when all that hard work getting to the top is rewarded with a singletrack rollercoaster. So I was perhaps a little grouchy when, on a ride ...