Foot numbness when bicycling typically occurs when the nerves between the bones under the ball of the foot become compressed. Numbness usually develops on longer or more intense rides and can linger even after you stop exercising. Besides numbness, symptoms can include tingling, bruising and a burning sensation.

At 6 feet, you're a fairly tall guy. Selecting a bike that's correctly sized for your proportions is essential to being comfortable while you ride. A properly fitted bicycle reduces joint pain in your knees, soreness in your back and neck, and is much healthier for your body over long miles.

As you chug up hills or sprint along flat stretches, you can expect a bit of soreness in your body from the physical exertion of cycling. However, ankle pain during or after a ride is a sign that something is wrong with your equipment, your form or your body.

If your daily activities are compromised by damaged knees, often due to injury or various forms of arthritis, you may opt to undergo a total knee replacement.

Shimano first introduced Dura-Ace 600 group sets in the 1983 as an alternative to more expensive recreational bicycle accessories. Components included derailleurs, side pull brakes and gear sets. Affordable pricing resulted in a degree of popularity that eventually attracted competition cycling enthusiasts.

Mountain biking takes your cycling routine off-road, where stable terrain and smooth inclines rarely appear. Rough trails and complex obstacles require good positioning to traverse, and getting your seat to the right height plays an important role in how well you maintain your balance.

Rims are critical components of your bike wheel. Though most rims are made of aluminum alloy, other rims are available, including those made of steel. Technically, steel rims are also made of an alloy – iron alloyed with other metals. Steel rims are often plated with chrome to discourage rusting.

A bike's fit depends on your proportions and the bike manufacturer. An 18-inch bike is ideal for taller-than-average people.

Avid cyclists and indoor cycling junkies benefit from wearing cycling shoes. These stiff-bottomed shoes that clip right into the pedals make your ride smoother and more efficient. If riding is a predominant part of your workout routine, cycling shoes are a valuable investment.

Of all the parts that make up a bicycle, the drive chain is among those that receive the most wear. The chain is almost always in motion and under constant tension, bearing against other parts in the drive train. The chain is also open and exposed to any elements that can damage it, including water and dirt.

Most bicycles come equipped with gears to help riders tackle various terrains. Common gearing on bikes include 10, 18 and 21 speeds. The number of gears a bike has is figured by multiplying the number of front chainrings by the number of gears in the rear cassette.

The mechanism of an electric speed controller varies depending on whether you own an adaptive or purpose-build electric bike. An adaptive bike includes an electric drive system installed on an ordinary bicycle.