Bike riding speeds vary widely depending on your riding conditions. When you are zooming down a paved hill, your speed may increase to over 20 mph, while you may slow to only a few miles per hour when you are climbing a steep or rocky grade.

A partial medial collateral ligament tear is an injury to one of the ligaments that support your knee. It is a serious injury that must be treated properly. Once you feel strong enough, you may begin biking, which can help you regain flexibility in your knee without causing any additional damage.

While the idea of cycling without underwear may seem strange and foreign at first, most serious cyclists "go commando" while in the saddle. This is to help avoid the rubbing and irritation that can come from unfortunately placed underwear seams.

Riding a bike is an excellent cardiovascular workout, targeting large muscle groups with minimal impact on your joints. If you are overweight, cycling might be recommended to help you lose weight. If you weigh more than 300 pounds, consider a hybrid or mountain bike.

Cycling bibs offer comfort if you're putting in long hours in the saddle. Rather than wearing a two-piece combo with shorts that have a tight waistband, ride down to reveal parts unknown and a chamois that doesn't stay put, bibs offer comfort and stability.

A bike seat that moves when you ride can mean only one thing -- a loose fitting. The fix will depend on the style saddle you have and how the seat moves. A saddle that swivels from left to the right requires a different approach than one that changes tilt.

Steel is the classic bicycle frame material. It's strong, inexpensive and well suited to modification through alloys and other chemical treatments. When choosing a frame, the various steel types offer an array of choices.

The sight of a kickstand on a road bicycle is bound to annoy a cycling purist. “A racing cyclist would never have any kind of kickstand,” wrote noted cycling author Eugene A. Sloane in “Popular Mechanics,” capturing the snobbery against kickstands that was well under way in the 1970s.

The Ironman is a particular type of triathlon, an endurance competition involving swimming, bicycling and running. In an Ironman competition, participants must swim 2.4 miles, bike 112 miles and run 26.2 miles in 17 hours.

Multigeared bikes allow you to ride on varied terrain, whether it's dirt trail or smooth pavement. As you pedal, your drive chain moves over a front and rear cassette, providing various resistance levels.

Shin splints area a common and often painfully debilitating overuse injury resulting in sharply annoying pains in the shin bones that flare with every step. Shin splints, also called tibial stress syndrome, are exacerbated by repeated high-impact activities, like running and jumping.

A bicycle is an efficient machine, but only when it's a proper fit. The correct position of the seat, pedals and handlebars in relation to your height, ensure that you enjoy an efficient and enjoyable ride.