Sigma BC 1609 STS Double Wireless Bicycle Speedometer

This Best Selling Sigma BC 1609 STS Double Wireless Bicycle Speedometer tends to SELL OUT VERY FAST!!

Product Details

• Product Dimensions: 5.5 x 4.5 x 1.5 inches ; 5.4 ounces


• Shipping Weight: 5.6 ounces (View shipping rates and policies)


• Shipping: This item is also available for shipping to select countries outside the U.S.


• ASIN: B0039GG844


• Item model number: 1692
  

List Price : $94.99
Price : $58.99
You Save : $36.00 (38%)

Product Description

Amazon.com
There's no such thing as too much information when you're training for a big race. Enter the Sigma BC 1609 STS double-wireless bicycle computer, which includes everything from a speedometer to a countdown timer to an optional cadence measurement function--all compatible with online PC software. The BC 1609 STS, which is adjustable to fit two wheel sizes, displays your current speed, average speed, and maximum speed, so you'll have a good idea whether you're the tortoise or the hare on the bike trail. You can also compare your current and average speed on the same screen, or check the trip distance and total distance (the latter is only available after your ride). The computer even offers a programmable trip section counter, a roadbook that lets you create a back-and-forth itinerary.
The BC 1609 STS's timing functions include a countdown timer that's perfect for racing against the clock; a stopwatch that keeps you sharp on intervals; a display for elapsed and total riding time (the latter is only available after your ride); and a time-keeping clock. And serious cyclists can opt to use the cadence functions (current and average), which help you ride efficiently both on the road and in the woods. You can also turn off the cadence functions while riding.
The BC 1609 STS is versatile in other ways, too, with the ability to automatically recognize a second bike. That means you can gauge the total distance and ride time of either or both bikes, a handy option for couples or friends who train together. Other features include a temperature display, seven language settings, a backlight, a battery status display, and a backup function that preserves your settings and info even when the battery dies. Also available in a wired version, the PC-compatible BC 1609 STS mounts on your handlebar or stem for easy access.
The Sigma BC 1609 STS double wireless computer is for dedicated cyclists. The cadence functions provide valuable training data for efficient cycling both on the road and in the woods, and can be turned off completely when not in use. The count down timer is perfect for crits, cross, or racing against the clock. Handlebar or stem mount. Down-loadable with optional docking station. Also gives current temperature.

Product Features

• Double wireless bicycle computer ideal for cyclists in training


• Displays current speed, average speed, and maximum speed


• Countdown timer, stopwatch, and riding time calculator


• Optional cadence measurement; current and total trip distance


• PC-compatible; temperature display; adjustable to 2 wheel sizes

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Customer Reviews

I was unable to get this unit to work properly on my large frame bike.
The instructions specify a maximum range (90cm) between the speedometer pickup and the handlebar head unit. For those (like me) who do a lot of riding on a trainer, the pickup needs to be on a rear wheel... and that really pushes the 90cm distance.
I'm 6'8, and ride a custom frame. The closest I could achieve was about 92 cm.
As a result, the head unit gets intermittent signals from the pickup. There are frequent "freezes" when the velocity doesn't read correctly, and the odometer doesn't advance. Then, after an interval of 10 - 120 seconds, the odometer updates in one big jump. The velocity also jumps around, typically at a unit fraction (1/2 or 2/3) of the actual velocity. After an hour of riding, the mileage is less than it should be, perhaps 10% less.
The cadence unit has similar difficulties. Frequent "zero" displays, infrequent updating of the cadence...
For those of you who are normal sized people, feel free to buy it. It's a solid unit, installs easily. The instructions were easy to follow.
Would it have been so hard to give the units an additional 30cm or so of range? Or perhaps a Min/Max button, trading off battery life for increased output?
I feel a little guilty giving it only 3 stars. After all, it probably works great for normal folks. But we larger people exist too, and the engineers shouldn't have designed it to such a close tolerance.

I like to choose my purchases carefully (even when they are relatively inexpensive), so I looked at a number of different products, including Topeak, and Cateye. I liked the Sigma 1609 cadence for several reasons:
1. The company's website. They truly want to make a great product; you can view installation videos and product demonstrations, and you can access a virtual bike computer in the model of your choice and use the features as if it was attached to your bike. Check it out!
2. Features: It has every feature I could think of, and some I might never use. I particularly like the cadence feature, which I never had on previous computers. It really does help keep you moving in your target range.
3. Ease of installation: The washers or O-rings that come with it really do the trick and are easy to uninstall if you want to. I installed it in literally a few minutes.
4. Easy to read display: When riding I want to be able to see the display at a glance.
5. Ease of use: There are 4 buttons, but only two are used during a ride. Many people want one-button functionality, but the two buttons work well because there are so many options to toggle through. If there was only one button, you would have to press it 10 times to cycle through all of the ride statistics.
Even though I still recommend it over other bike computers, I still have a few criticisms:
1. Batteries: They provide an uninstalled battery for the computer that you know is fresh, but the batteries in the speed and cadence sensors are installed at the factory, meaning that they are likely to be weak by the time they reach the consumer. The printed instructions even warn you that those two batteries will need to be replaced soon after purchase! They waste their own and the consumers' money by pre-installing two of the three batteries.
2. Special tool for battery change: They provide a proprietary tool for opening the battery covers (instead of the usual notched battery covers that can be opened by a coin). I just hope I can find the special tool when I need it!
3. Changing the orientation of the computer screen: The mounting harness can be mounted on a bar parallel to or perpendicular to the frame. To change the mounting orientation, you need a micro philips screwdriver (a 00). It was no problem since I own one, but I imagine this isn't a tool that everyone has handy.
4. Range: I have not had any trouble since I mounted on the front wheel, but the printed directions warn that the range between sensors and computer is limited, meaning that this computer is not a good purchase for indoor trainers who want to mount on the rear wheel.
In spite of this, I am happy that I got the Sigma and recommend it to you.

 

Sigma BC 1609 STS Double Wireless Bicycle Speedometer