It's pretty tempting to spend the least amount of money possible on a cycle computer. After all, most people only want to know how fast they are going. But once a computer is installed, it quickly becomes obvious how useful cycling data is. The desire to track other information is a natural reaction.

Three screens show
everything all the time

Additionally, the poor ergonomics of some low-end models makes both installation and use complicated. They are less useful than other products sometimes priced only ten dollars more.

If you can afford it, try to opt for units with just a bit too much data. It's better to spend more and grow into a computer than to spend too little and regret the purchase. Buying a $30 computer this year and then getting a $40 computer next year is more expensive than buying a $60 computer in the first place.

Computers with"auto-on" features (they start recording data when the wheel starts to move) are fantastic. Before this was included in most units, the rider had to press a button to turn on the computer, resulting in many forgotten starts. Even better, the units stop recording data when the wheel stops, allowing for precise measurements.

Many companies make retail displays with small wheels that can be spun to activate the units. Playing with these computers in the store can reveal a lot of information about them. Also look at the computers on other bikes and ask riders what they like and dislike about the units. (Dislikes are more important.)

If you are at all squeamish about the computer installation procedure, ask a retailer to do it. Many will provide the service for free when the unit is purchased, thus avoiding the risk of improper setup.

Wireless units are more convenient and easier to install because of the lack of wires but more prone to dropping information. Removable units are great but can lead to the "where did I put my computer" phenomenon as well as the "who took my computer" paranoia.

Buying Comparison

The major bike manufacturers and a number of the accessory manufacturers all make some terrific computers. Specialized, Cannondale, Trek, Avocet, Topeak, Shimano, and many others make reliable units that will last for the life of a bike. Wired units should have thick enough cabling to resist breaking if snagged, but not so thick that it will get in the way of other cabling.

Topeak makes a fantastic computer called the Panoram for the rider who wants all data visible at all times. Nearly four inches wide (as opposed to the inch or so of most units), the Panoram's display is comprised of four smaller screens, each with vital riding information. The left-most screen displays distance and maintenance info (it warns you when to clean your drive train, for example); on the right you get all the speed information; and the center section is for time functions. Large, easily actuated buttons make the unit a pleasure to operate. At around $80, the unit is a great choice but is too large for many racers, road riders, and purists.

Shimano's Flight Deck is the best choice for someone who wants to add a maximum number of features into one easy-to-use package. The integrated shift buttons make it simple to move through data screens without removing hands from the shifters, perhaps the best feature of any computer. With a higher price, stiff hardware requirements, and difficult installation, the unit isn't for everyone, but it's a great idea for the majority of riders.

The Garmin eTrex Summit probably shouldn't be purchased solely as a cycle computer, as it is far too feature-rich to live its life only on handlebars. My Summit travels with me constantly and has helped me find my way to hotel rooms, airports, campsites, and more. Waterproof, it sits on my kayak and I've even used it while airborne. Garmin's PC software is for Windows-based systems only, but Macintosh software is also available from a company called James Associates. At $300, the Summit is pricey but a fantastic addition to any adventure traveler's kit.