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Sigma BC 2209 STS Triple Wireless + Alt Bicycle Speedometer

4.1 out of 5 stars 62 customer reviews
| 6 answered questions

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  • Triple wireless bicycle computer that doubles as hiking aide
  • Displays current speed, average speed, and maximum speed
  • Measures actual, average, and maximum heart rate
  • Measures current altitude, ascending/descending altitude, and max altitude
  • PC-compatible; temperature display; adjustable to 2 wheel sizes

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Technical Details

Product Description

Product Description

The BC 2209 Triple Wireless + altitude speedometer is a multifunction device for altitude, speed, heart rate, cadence and temperature. Thanks to the included wrist strap, the device can also be used as a hiking computer.

Versatile and dynamic, the Sigma BC 2209 STS triple wireless bicycle/hiking computer cuts a fine figure on handlebars but also fits on your wrist for hikes and climbs. In its cycling configuration, the BC 2209 STS 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 2209 STS's HR functions include ECG-precise measurements of your actual, average, and maximum heart rate, along with a zone alarm that tells you when you're exceeding or falling below your target heart rate. In the process, the computer keeps track of your calories burned thus far. The BC 2209 STS also includes a number of time-specific functions, including 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 2209 STS is more than just a cycling computer. The device, which comes with a wrist strap, measures your current altitude, ascending/descending altitude, and the day's maximum altitude, giving climbers and hikers plenty of essential training data (the computer also calculates your uphill altitude on a bike). Additional hiking functions include hiking time, target time, and a current temperature display.

Rounding out the BC 2209's versatility is its 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 seven language settings, a backlight, a battery status display, and a backup function that preserves your settings and info even when the battery dies. The PC-compatible BC 2209 STS is also available in a wired version.

Product Details

  • Product Dimensions: 7 x 6 x 2 inches ; 14.4 ounces
  • Shipping Weight: 1 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003BCCAR0
  • Item model number: 2290
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (62 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Nathan Allen on March 15, 2010
Verified Purchase
This just came in, so here are some first impressions.

1. I'm not fond of the sensor magnets, both on the speed sensor and the cadence sensor. The speed sensor on the wheel is a bit too bulky, it didn't slip past the flange on the sensor, I had to place it on a far spoke rather than a near one. The Cadence magnet is a kludgy solution, adhesive and a zip tie, a more refined solution would be preferred.

2. Pretty easy to set up, no complaints there. Rubber bands attachments are good and bad, fine for road bikes, not really useful for mountain bikes- use zip ties instead.

3. The ROX STS sensors work with this unit.

4. The ROX handle bar mount and USB docking station are NOT compatible with the Topline series, they use a different number of pins 4 vs 2.

5. The ROX models can record data from several rides, the BC-2209 can only store 1.

6. The proper USB docking station for the BC-2209 won't be out until the Data Center 2.0 software is ready, in April 2010. (I talked to the customer service people to learn this.) Data Center 2.0 will be Mac OS X compatible! (That made the sale for me!)

7. It's waterproof/resistant, at least the rain I got caught in the other night didn't kill it. I'm guessing you're not going to be biking in a scuba suit, so it's waterproof enough.

8. The buttons are on the top and bottom of the unit, and it tends to move if the handle bar mount is attached with the rubber bands, there is an adhesive to stop this, but I'm not convinced the adhesive will hold over the long term, I like a bolt on solution that can really be cranked down tight.

Ok, that's all for now, even with these annoyances I like the unit a lot, it keeps accurate speeds and doesn't seem to lose connection with the sensors, a huge problem for my old Polar S720i.
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By SlueView on March 28, 2011
I bought this unit to replace my Garmin 305 Edge which broke without fail each year for three years, each time at a cost of $55 to fix. The Garmin provided a lot of information so I wanted something similar. I was very impressed with this unit from the get-go. I had no problem whatsoever with mounting the sensors. I mounted both the speed sensor and the cadence sensor on the chainstay (non-drivetrain side)and both worked fine, no tweaking necessary. I love that I can see the display VERY CLEARLY even in bright sunlight...the Garmin, not so much. It's a very simple unit and seems quite accurate in every respect except perhaps the KCAL. The Garmin registered about twice the calories burned for the same ride as this unit. I really can't say which unit is accurate, but I sure liked the reading on the Garmin much better. That aside, I can't say I'm disappointed that my Garmin finally flew off it's cheesy mount and down a hillside to it's ultimate demise. Word of caution though: when scrolling through the screen of the Sigma while riding, hold both the top and bottom of the unit, as pushing too hard on either the top or bottom button without stabilizing the opposite side may cause it to unseat from its mount. It twists into the mount, so pushing one corner too hard may cause it to twist out of the mount.
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Verified Purchase
If you don't need a GPS This is the bicycle computer for you. The Sigma BC 2209 STS is PACKED with a LOT of functions (All it's missing is the G.P.S.)

I took off one star (should be 1/2) because The first time I tried entering my stats it was a little difficult(I VERY STRONGLY suggest that you purchase the sigma docking station (less than $19) when using any of the sigma products that will mate with it.) setup the docking station, and mate the computer with it Then you can enter all of the stats through the program it comes with.

I can't state the features well enough so here is a link to SIGMA's web page for the 2209 sts+ heart rate monitor


Once I got the computer set up the way that I wanted to however.......

There is a very nice sized display. You are able to see what your present Alt, HR, and Speed are, PLUS either your trip distance, time, avg or max speeds, avg or present cadence, trip climb, max alt, Avg or max pulse, or calories burned. You can have the present time, stopwatch, countdown, and total time on bicycle. You can see your trip distance, total odometer (bikes 1 or 2, or total millage 1+2) plus total altitude, AND present temperature.
The computer comes with a wristband that allows you to use it when you are hiking also. You can get all of the same features, except those that are bicycle related (speed, cadence, mileage, )

You will need some patience getting it setup, that is why I took off 1 (1/2)star, I can't say it enough times
I VERY STRONGLY suggest you invest in the docking station, the software it comes with makes it MUCH easier to set up, and keep track of MOST of the stats collected by the computer.
it allows you to set up the computer with a keyboard not a set of buttons.

If you are looking for a loaded computer that will help you get into (or back into) shape.
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Verified Purchase
I purchased the Sigma BC 2209 STS Triple Wireless + Alt Bicycle Speedometer several weeks ago. At first glance it seems a relatively well made unit, and did not seem to be excessive in price.

This was my first investment in a decent bicycle computer and my primary criteria were 1) that it be wireless, 2) have a heart rate monitor, and 3) do cadence. I like riding hills, don't need a gps, and thought it would be fun having the altimeter. Everything else that comes with this is either standard (speed, avg. speed, max speed, trip distance, etc) or fluff (bicycle 1 & 2, temperature [which is nice, admittedly]).

As far as the different components go, most of the implementation of its being a wireless computer (#1 above) are pretty successful. It's a somewhat minimalist design that attaches to your bike either by rubber bands or plastic zip ties. I elected for zip ties b/c they're more sure than the rubber bands that come included (and used my own b/c they were a little beefier than the ones that came with). I did do a couple of rides with the bands though and didn't have any problems with them.

It's where the computer twist-clicks into a dock that I became less satisfied with it. It fits into a dock on your bicycle or on the wrist strap that comes with it. The different "stations" are set up so that they unlock different functionality in the computer - cadence and max speed for example on your bicycle, and I forget what on the wrist band. The twist click into both is pretty secure, but the more I used it the more I noticed it wasn't perfectly secure within either - I think it may have caused the problems I had with the cadence monitor that I describe below.
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