Cycling Guide: Training, Bike Maintenance and Gear Reviews

Running versus cycling for weight loss is a common debate among fitness enthusiasts. Maintaining your bike involves knowing how to fix rubbing disc brakes and pump tires with a Presta valve.

Correct Size for Bicycle Disc Brakes

Published Jul,08 2011 | By Caroline Thompson

Disc brakes are one of the main types of bicycle braking systems. Disc brakes are made of a metal disc attached to the wheel hub. The disc braking system includes a caliper that squeezes the brake pads against the wheel, causing the tire to stop rotating. Disc brakes can be hydraulic or cable driven.

Caroline Thompson is a professional photojournalist who has been working for print and online publications since 1999. Her work has appeared in the "Sacramento Bee," "People Magazine," "Newsweek" and other publications. She holds a Bachelor of Arts in photojournalism from California State University at Hayward and a personal trainer certification from the university's Health and Fitness Institute.