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SIGMA BC1706HR DTS Wireless Bicycle Speedometer with Heart Rate Monitor |  | Brand: Sigma
Category: Sports
List Price: $99.99
Buy New: $76.99
as of 9/9/2010 06:42 PDT details
You Save: $23.00 (23%)
New (5) Used (1) from $69.99
Seller: Greenfish Adventure Sports
Rating:  14 reviews
Sales Rank: 18271
Shipping Weight (lbs): 1.2
Dimensions (in): 6.9 x 5.6 x 2.2
MPN: 07160
Model: 7160
UPC: 750220071600
EAN: 0750220071600
ASIN: B000PQJSRA
Availability: Usually ships in 1-2 business days
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| Features:
| • | 17 Functions | | • | Digitally Coded Wireless Speed & Heart Rate | | • | Easy to program/Tool Free installation | | • | Waterproof |
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| Accessories:
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| Editorial Reviews:
Amazon.com Product Description
The BC 1706 HR DTS with heart rate monitor is the perfect solution for all fitness-oriented cyclists. In addition to the trusted BC 1606L DTS bike and time functions the BC 1706 HR also measures heart rate. The current, maximum and average heart rate are measured as precisely as an EKG for precise training and control. Both the speed and heart rate are coded and transferred to the BC by radio waves (digital and coded). All bike, time and heart rate values are easily and clearly read from the 3-line display.
Digital Transmission explained. | 
The top model for heart rate measurement. | |
Digital Transmission System (DTS) Explained
With 2-channel radio transmission (km/h and pedal frequency) and 100% digital encoding without data loss, the DTS system guarantees 100% data security of current speed and pedal frequency values during wireless reception. It does this by calculating all relevant data, encoding it and transmitting it in data packets to the integrated receiver in the bike computer. Disturbances such as power lines or mobile phones are no longer a problem as transmission is carried out over the so-called low frequency. A double security system also ensures that only the data packets from your own transmitter are evaluated by the receiver. This means that group rides are no problem. A further security measure is redundant data transmission so that no data can be lost. The size and quality of the receiver has also been optimized by a specially developed Sigma chip (ASIC) and integrated into the bike computer which also saves on battery life. General Functions: - 7 language settings, Dot matrix LCD readout, watertight design
- LCD backlight
- Low battery indicator
- Backup function/through saving chip
- Two wheel sizes adjustable
- Clock and model name in standby
Heart rate functions: - Current heart rate
- Average heart rate
- Maximum heart rate
Bike Functions: - Actual speed
- Average speed
- Comparison of actual and average speed
- Maximum speed
- Trip distance
- Programmable trip section counter
- Total distance bike 1*
- Total distance bike 2*
- Total distance bikes 1+2*
- Actual cadence
- Average cadence
Time Functions: - Clock
- Stop watch
- Riding time
- Total riding time bike 1
- Total riding time bike 2
- Total riding time bikes 1+2
- Programmable time meter (countdown timer)
What's in the Box?
BC 1706 DTS bicycle computer with built in sensor, DTS speed transmitter, power magnet, elastic band, pulse monitor with transmitter, twist-lock handlebar mount, battery door key, 3-volt CR2032 lithium battery, 42mm O-ring, 32mm O-ring, 32mm O-ring. Manufacturer's Warranty
Five-year warranty on defective parts or products. About Sigma Sport
Sigma Sport represents German technology at its highest level, combining innovative design with precision engineering. Sigma tests all their products in their in-house laboratories to withstand the harshest conditions, ensuring quality continually throughout production. All Sigma Sport standard lights conform to the stringent German traffic standard, and all Sigma Sport products are CE-approved.
Product Description
All Topline computers feature current speed, cumulative odometer, trip distance, trip time, KMH/MPH auto conversion and 12/24 hour clock. All are waterproof and include batteries and a 5-year warranty. Digital Transmission System (DTS) found on wireless models (wired models are not upgradeable to wireless). BC2006L has current and total altitude with current temperature. Choose black or Rocky Mountain Team Limited Edition version. BC1706 and higher models have current, average, and max heart rate. BC1606 and higher models have backlight, L series has cadence, L-R has cadence and rear wheel harness (great on trainers). BC1106 and higher models have memory backup for settings. BC906 and higher models have a low battery indicator. SM-1108 includes 1106 head unit packaged with a wired harness for a second bike for 2-bike programmability . DTS wireless Digital Transmission System. Features: Wireless Speed and Heart RateHeart rate functions include current, maximum and average heart rate
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| Customer Reviews:
Showing reviews 1-5 of 14
Great, with some initial problems.... And NO cadence!!! May 6, 2010
Ethan P. (New Hampshire, USA)
First of all, once I got it installed, this item worked great. It would find both the heart monitor and the speed sensor seconds after I started pedaling. The actual installation was a breeze. The supplied o-rings as well as the zip ties make setup very easy with absolutely no tools required.
However, all the supplied batteries were dead. If you are having problem installing the item make sure you put new batteries in it. Also, in the description, amazon says the item has a cadence sensor, this IS NOT TRUE.
Otherwise, good product...
 Excellent! April 14, 2010
E. Tom (Texas)
I got this unit at an unbelievable price on eBay. It was a brand new open box item. Yes, the owner's manual and installation instructions are a bit lame as it's mostly pictures, but after awhile you figure everything out and it works great. I had to play around with it to find a good location where it would get accurate readings and ended up buying a Topeak Bar Extender which allowed me to mount it a little lower and closer to the transmitter on the front fork on my Specialized hybrid bike. To get a good heart rate monitor reading, make sure you get your skin nice and wet where the monitor belt goes around your chest. The directions show you sticking the belt under the faucet, but I found it better to put the belt on first, then wet a towel, pull the belt away from your chest slightly and then wet your skin with the towel. If you wet the belt under the faucet then try to put it on, it would dry out before you got the belt in place.
Customer service experience was very good. As I said, it was an open box item and I found the one I got was missing a little "key" that is used to open the battery compartment on the transmitter. I emailed customer service and they sent me a new one free of charge right away.
It's a little confusing at first learning how to navigate through the various functions, but once you've used it for a week or so, it's pretty intuitive. It's got a lot of different functions for both the bike (speed, average speed, maximum speed, odometer, trip time, stopwatch, counter up or down) and the heart rate monitor (heart rate, average heart rate, maximum heart rate). It has a backlight if you ride after dark.
Some readings that it doesn't have is cadence (although some advertising mistakenly says it does), temperature and heart rate zones. Sigma has a newer model the HR1906 that I believe includes these features at a slightly higher price. The HR1706 is actually a product first released in 2007.
I've had it for about 3 weeks now and I love it. It gives me incentive to get off the couch and get out and get some exercise and allows me to track what kind of progress I'm making. The readings all seem to be very accurate now that I found where to mount it and how to moisten the heart rate monitor belt. I'm very pleased with my purchase and the value is excellent versus others I compared it with. I'm thinking now of possibly purchasing a Sigma PC15 heart rate monitor watch.
Works fine at a reasonable price February 27, 2010
Tom H. Meyer (Texas)
I've been using the device for 2 months now and am very comfortable with its operation. This is my first computer, and as well bike since I was a kid. At 62, I wanted to track my daily exercise so distance and heart rate monitoring were musts. It took about a week to actually learn how to use it, both initial setup and daily reseting the collected data. The instructions are a little weak. Also, it is critical that the chest strap is moistened prior to use. Cadence was not a requirement, so this one was perfect for me.
Oustanding (hidden behind a lousy manual) February 19, 2010
T. Kaiser
The bad: When I didn't quite get the user guide in English, I tried German.
Remember: Sigma is a German company and writes their manuals in German first. But by whom? By a German rocket scientist who also holds advanced degrees in nuclear physics, applied mathematics and rare Amazon biology? S/he probably can't boil rice though; too every-day. It still confused the heck out of me, and I do speak both English and German (more or less) fluently.
The good: eventually you figure out how this thing works (I put little stickers next to the four buttons). And then it's an excellent bike computer/heart-rate monitor, nicer than anything else I looked at. Installation is "un pezzo di torta" (piece of cake), especially if you use the little rubber o-rings. The wireless transmission works flawlessly, the computer starts and stops as you move or stop your bike, the device is supposed to be water (rain-) resistant, the transmitter (chest-band) hooks up with the receiver without a hitch, the display is larger than most and very readable.
Your bike rides take on a new quality monitoring - and pushing - your heart rate. Especially good, if you're going after fitness and/or fight the middle bulge. Like me.
Four stars; five if Sigma finds a lay-person to re-write those darn manuals of theirs. In the meantime, this monitor is worth the aggravation of a bad manual.
 Problems with wireless February 15, 2010
Jason (Houston, TX USA)
3 out of 3 found this review helpful
Pros:
-Cheap compared to other brands with similar functions.
-Nice, when it works.
Cons:
-I dont like the o-rings the use to mount everything. Seem stable enough.. but I prefer zip-ties.
-Finicky. My first ride I got "too many signals" error message for the first 2 miles, even though I was by myself, and not using the HR monitor. My second ride, the speed sensor worked 95% of the time, but the HR monitor kept reading 0, even though I had wetted it as described.
-Some people prefer the 4-button interface, but I don't. Hard to remember what each button does in each mode. Not a big deal though.
I gave this one a try... but in the end I returned it and when with the Cateye Strada Wireless, which took 2 minutes to install, and works perfectly.
Showing reviews 1-5 of 14
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