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How Does a Bicycle Trainer Work?

by
author image Frank Whittemore
In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. He has over 15 years experience writing for several Fortune 500 companies. Whittemore writes on topics in medicine, nature, science, technology, the arts, cuisine, travel and sports.
How Does a Bicycle Trainer Work?
A woman is sitting on an exercise bike. Photo Credit dolgachov/iStock/Getty Images

Training is essential for good riding, especially in competition. A good training routine can be difficult to maintain if the weather or your schedule do not cooperate. That's where a bicycle trainer can be a useful tool. A bicycle trainer is designed to turn a road bike into a stationary bike. The trainer consists of a frame that holds the rear wheel off the ground so that it can spin freely. The tire rests on a roller that provides resistance.

Resistance Riding

Resistance is provided by three different types of mechanisms. The roller that is driven by the bicycle's tire can actuate a fan blade that uses wind resistance. These are usually the least expensive, but they are the noisiest of trainers. Another mechanism uses powerful magnets for resistance and is somewhat quieter. The last has a fluid-filled reservoir with a fan inside, which drives against the fluid instead of air. Fluid-based trainers are the quietest and most likely to simulate a true outdoor riding experience.

Quick Release

Bicycle trainers are constructed so that they can accommodate any bicycle that uses a quick-release mechanism on the back wheel. Most trainers come with a replacement quick-release skewer that can be swapped out with the original skewer to ensure a proper fit in the trainer. The quick-release cone and lever mechanism are inserted into holders on the trainer that keep the wheel firmly in place.

Left or Right?

Knobs on either side of the trainer allow for the wheel to be adjusted to either the left or right. This helps ensure the bicycle's rear wheel is centered on the resistance roller. Another knob on the roller itself increases or decreases the resistance as necessary.

The Experience

Some bicycle trainers are emerging that give a truer riding experience. While many trainers simply act as stationary bicycles, newer designs are incorporating unique mechanics that allow for lateral movement. This trainer will actually lean from side to side to more realistically simulate the actual movement of cycling, particularly when stand-pedaling.

Year Round Riding

The obvious advantage to a bicycle trainer is that it can be used regardless of weather conditions or time of day. The same training regimens for road training in the summer can also be maintained on a trainer in the dead of winter. Additionally, trainers allow riders to work on specific weaknesses without concern about terrain or riding conditions.

One Dimensional

No matter how convenient a bicycle trainer may be and no matter how hard the designers try, nothing can replicate the actual effect of riding on the road. Changes in terrain and road conditions are, in fact, an essential part of the riding experience and add a dimension that a trainer can't simulate.

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