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 ...

Disc brakes are one of the most common braking systems in cars today, appearing in rear-wheel, front-wheel, and all-wheel drive vehicles. When you press down on the brake pedal in the driver's seat, ...