"CatEye is the leading manufacturer of cycle computers, lights and reflectors to cyclists in the world. Founded in 1954 in Osaka, Japan, CatEye has always been a leader in innovation and technology."
"Sigma Sport represents German technology at its highest level, combining innovative design with precision engineering."
"Planet Bike was born from the heart of a cyclist and our goal is to make innovative, high quality, and practical bicycle accessories. Simply put, we strive to design and develop the best bicycle products in the world."
"At Topeak, exciting new ideas for accessories are spinning at full speed and driving us ahead in a never ending cycle of innovation."
"Wherever your road leads we know cyclists seek the ultimate ride. With that in mind, Serfas is always striving to make products that reflect those wants and needs. Our 20-plus year commitment to quality, performance and customer service is reflected in our innovative products that are rider-tested and rider approved."
Wired Speed allows a sensor to transmit the bicycles speed via a connected cable to the computer.
Wired Cadence allows a sensor to transmit a bicycles cadence (also known as RPM) via a connected cable to the computer.
Some computers have sensors that mount to the rear wheel instead of the front, making them suitable for use with indoor trainers.
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These models are available for online purchasing and can be shipped directly to you.
Some cycling computers can display a power reading, usually in watts. They usually require a separate sensor - in some cases a special hub or crank arm. A few will estimate the value based on speed, cadence, rider weight or other data. "Optional" means it can read from a separate power meter or sensor. "Included" means it is calculated by the computer or includes the neccessary sensor.
Wireless Speed allows a sensor to transmit the bicycles speed without a cable to the computer.
Wireless Cadence allows a sensor to transmit the bicycles cadence (also known as RPM) without a cable to the computer.
Heart Rate Monitoring allows a sensor, often a chest strap, to transmit your heart rate to your computer. Heart rates monitors are typically wireless.
Temperature monitoring allows for a computer to tell you the current temperature.
GPS, or Global Positioning System, is a satellite based system that provides accurate location and altitude information.
Some computers come with built-in altimeters, which will display the current altitude. GPS enabled computers can often do this more accurately.
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