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Bicycle Computer - Westphal - Thun

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Westphal Bike computer adapter (with clamp | 22mm)
€7.95

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Bicycle computer buy | bike speedometer cheap at velondo.com

Everyone who travels a lot with his bike, of course, wants to know how many kilometers he has actually driven. The need to measure driven distances and maximum speeds is not a phenomenon of the 21st century. On the contrary, the desire to record this data was already felt by cyclists at the end of the 19th century. The first odometer - the ancestor of today's bicycle computers - was developed by a man named Veeder in 1895. This first odometer was a simple mechanical device that counted the number of wheel revolutions. The number of wheel revolutions was transmitted via a cable to an analog bicycle speedometer mounted in the rider's field of vision. The bicycle speedometer converted the number of wheel revolutions into kilometers ridden according to a predefined formula. In principle, many of today's bicycle computers still work in the same way. Veeder promoted his first bicycle computer with the slogan "It's nice to know how far you go", which translates as "Good to know how far you've gone". After this bicycle speedometer became more and more popular, other manufacturers also recognized the financial potential of this product. The bicycle speedometer was further developed and soon had a speed display in addition to the kilometer display.

There are two groups in the bike computer fan community

Roughly speaking, it can be said that today's bike computer fan community can be divided into two groups. On the one hand, the freaks who want to have every detail and be it even so small exactly listed and on the other hand, the average citizen, who is satisfied if he knows how fast, how far and how long he has driven. Simple bike computers already show a whole lot of information for little money: the speed just ridden, the maximum speed ridden over the course of a route, the length of the route just ridden, the length of all routes ridden so far, and the date and time. For ambitious cyclists, this data is not enough. They want a bike computer that, in addition to the time, date, distance, speed and total distance, also offers them the average speed, the altitude meters gained (uphill and downhill separately), the calories burned, the cadence, the power output in watts, the heart rate, the temperature and, if possible, a stopwatch function.

What the bike computer can do

The display of a bike computer or bike tachometer is usually an LCD display. Depending on the size of the display, it shows one or more values at the same time. Modern and high-quality bike computers display one value - for example, the speed just ridden - in large digits and another value that each rider can set individually for his needs or training purposes - for example, the time, distance or average speed - in small digits. The housing of the bike computer usually has one or more buttons that the rider can press to, for example, switch between the individual functions and data, reset values such as the time or distance, calibrate the bike computer according to the circumference of the bike, or turn on a backlight for the display. Older traditional bike computers have a magnet attached to a spoke on the front or rear wheel. A sensor attached to the fork or rear frame then records when the magnet passes per wheel revolution. This signal is then transmitted via a cable to the control unit, where it is converted into the corresponding values. Where cables used to be coiled is now transmitted wirelessly.

Thanks to digital technology, other devices can be connected. Many bike computers can be supplemented with accessories. So there are chest straps for measuring heart rate or cadence meters. Technically more complex bike computers are able to measure the respective driving performance of the cyclist in watts. These devices contain elements that measure the torque at the crank or rear hub, or the pull on the chain.

Readability of the data and operability are particularly important

Whether you're looking for an all-rounder or a simple bike computer, the important thing with all devices is that the data must be easy to read. What good is a high-tech bike computer if the data on the display can not be seen. Who is much in the dark or poor lighting conditions on the road, will also appreciate the benefits of a display illumination. Another important factor to consider before buying a bike computer is usability. If you want a lot of functions, you must of course be mentally prepared for the fact that operating a bike computer becomes more complicated with each additional function. Intuitive menu navigation as well as good readability of the data on the display should therefore be at the top of every bike computer buyer's wish list. It should also be possible to operate the buttons of a bike computer while wearing gloves, because even in winter you want to know how far or fast you have ridden. Who wants to read his data not only on the bike computer, but also evaluate it on the computer, the market of course offers a wide range of bike computers with the possibility of data transmission and data storage.

For every cyclist the right speedometer

Ambitious cyclists who need more than just the basic functions use the possibilities of today's bike computers to optimize their training. One's own performance level can thus be read at any time on the basis of the distance traveled, the average speed, the heart rate or the altitude meters. Even for the average person it can be quite useful to be able to read the heart rate. This prevents you from overexerting yourself in time and damaging your health. But if you can do without altimeter, cadence or calorie consumption and similar bells and whistles and are satisfied with the basic functions such as speed, distance and riding time, you can choose from a wealth of uncomplicated and intuitive bike computers.

Modern bike computers meet a wide variety of needs. For mountain bikers, there are models that are protected in such a way that they function optimally even in rough terrain when things get really rough. An air pressure gauge is used to measure the meters of altitude ridden, so that accurate altitude profiles can be created after the tour and changes in the weather are also immediately recognizable. For the racing cyclist, there are high-tech bicycle tachometers that, in addition to the usual functions, also determine the individual training load and the required regeneration time.

Taste, intended use and budget determine the choice of bike computer

In view of such abundance of data, nothing is left to chance anymore. Even things like the timely intake of food and fluids no longer have to be thought of by the ambitious athlete himself. This is automatically communicated by means of innovative reminder functions on the bike computer. Bicycle computers for professionals are even available with GPS function. Easy-to-use bike computers for occasional cyclists that display basic functions such as speed, time and partial and total distance are already available for about 10 euros. If you're willing to spend more, you'll find a wide range of high-quality devices with a wealth of functions for between 30 and 80 euros. Compact bike computers with GPS function are available for as little as 100 euros. However, if you don't want to do without touchscreen operation, topographic maps, temperature display and barometric altimeter, you'll have to dig a little deeper into your wallet. Ultimately, when buying a bike computer everything is a question of purpose, taste and the available budget.

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