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  • SIGMA BC1606L 16-Function Topline Wired Bicycle Speedometer
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SIGMA BC1606L 16-Function Topline Wired Bicycle Speedometer

by Sigma

Available from these sellers.
  • 16 Functions
  • 2 Bike Programmable
  • Low Battery Indicator w/ Memory Chip
  • Easy to program/Tool Free installation
  • Waterproof
1 used from $40.00

Product Description

Product Description

The Sigma computer for dedicated cyclists. The "L" in the BC1606L is for the "smart" back light. The cadence functions (current and average) 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. 16 Functions: speed, avg speed, max speed, speed comparison, trip distance, total distance bike 1, total distance bike 2, total distance bike 1 + 2, clock, ride time, low battery indicator, two bike programmable, total ride time bike 1, total ride time bike 2, total ride time bike 1+ 2, memory back up function, cadence, average cadence.

Amazon.com

Sigma's BC 1606L is the top model for the most demanding of riders, even at night. The BC 1606L succeeds in this not only by providing a better overview of the essential information during a ride by hiding the total accumulated functions and cadence if not installed, but also through its backlit readout that delivers optimal readability of information even in the dark. In addition, an integrated storage chip prevents the loss of set values during battery change.

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

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
  • Stopwatch
  • 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 1606L bicycle computer, two-piece spoke magnet set, bike sensor/receiver/mount with wire, 3-volt CR2032 lithium battery, 42mm 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 Details

  • Shipping Weight: 3.2 ounces
  • Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • Origin: USA
  • ASIN: B000EPD6AW
  • Item model number: 6160
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (33 customer reviews)
  • Amazon Best Sellers Rank: #629,316 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Discontinued by manufacturer: Yes
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Customer Reviews

Easy to install.
Patrick Stuart
It has all the regular stuff... like actual and average speed, trip computers, etc.
R. Hood
I'd definitely recommend to anyone shopping around.
Amazon Customer

Most Helpful Customer Reviews

10 of 11 people found the following review helpful By S on July 27, 2009
Verified Purchase
(1) I rate this product a lowly 3 because the speed readout steps up in only half mile an hour (or kilometer per hour) increments, (rather than tenth mile per hour increments), meaning it will jump from say 20.0 mph to 20.5 to 21.0 . Thus you won't see if you're beginning to trend up or down until you've changed speed by as much as around 0.6 mph, which is a notable speed difference on a bike. Paradoxically, max speed, average speed, and the trip odometer are precise to the hundredth mph (or kph), so internally the device measures to the hundredth of a mile per hour and the designers, inexplicably, purposefully degraded the CURRENT SPEED display.

(2) Even though you're running a wire to the chain stay anyway for the cadence pickup, the speed pickup is on the front wheel, meaning it won't measure speed when you're training on a stand or rollers.

(3) If you've ever installed a cyclocomputer before, you'll probably have no difficulty installing this one in around ten minutes; if this is your first, then the instructions might turn you into a bitter, hateful person. The rubber band mounting system might also present challenges for mounting on non-standard frames, though that can probably be overcome with some bits of old tube folded over.

(4) After testing this for 25 miles on a route with a few surface bumps and some rough pavement, I haven't yet found any of the pickups or mounts to have shifted, but I can see how I might accidentally kick the cadence pickup someday with my foot. Whatever the logic, the rubber-band system for holding most of the components in place is not, in my view, as secure and stable as cable ties and screw-clamps.
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7 of 7 people found the following review helpful By B. Cain on November 6, 2006
Verified Purchase
I'm a casual mountain biker and this computer works great for me. It seems very accurate, was easy to install, it's easy to read while riding, and it has more than enough functions for my needs.
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7 of 8 people found the following review helpful By Al C. on December 12, 2008
The only thing I have to compare this to is a cheapy $8 one I had from Kmart many years ago. This Sigma 1606L has many more features including cadence which I use often. The data it collects per trip ( average speed, average cadence, max speed, trip time, trip distance) is saved so I can transfer it to a spreadsheet to track how I'm doing. It's easy to remove from it's base using a bayonet style attachment, which I have placed on the handlebar stem. I was not impressed when I saw how the parts mount to the bike, thin rubber O-rings loop around sensor and fork, or baseplate and stem to stay in place, but after 1000 miles on streets and bike paths everything has held together. It always shows current speed plus any other selected single feature, like cadence or time.
Why only 3 stars?
1) Lacks a scan feature, so I must push a button repeatedly to get to view the function I want. An auto scan feature would allow me to keep my hands on the grips where they belong.
2) The wiring is somewhat flimsy. Small gauge wire is subject to breaking if put under any stress.
3) Speed readout shows only the closest half mile interval, doesn't show tenths. For example, it reads either 12.0 MPH or 12.5 MPH missing 12.1, 12.2,etc.

I am actually very happy with this nicely designed and low cost unit. Mine came with a second mounting for a second bike, data for which it tracks separately. After 8 months of use over many miles, it has served me well.
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7 of 8 people found the following review helpful By J. Kirk on July 28, 2007
Verified Purchase
I was using a Cateye Microwireless on my 36 V eBike and the unit would stop displaying speed/miles whenever I turned the eBike light on. The BC1606L, as it is a wired unit, solved the problem and now I can display speed/miles with the eBike light on. FYI, install was straightforward but I would suggest getting additional nylon cable ties to secure the sensor to display wire as you can route it along existing cables and just use the ties to hold it in place. If your bike frame is colored [mine is red] you can get colored cable ties [[...] which will make the installation look better. The unit comes with a cadence sensor but I did not install mine and cannot comment on this function.
With use I have found additional advantages over the Cateye. The display digits are larger than the Cateye and are easier to read. Resetting the trip odometer and resetting other functions is easier than the Cateye. The night light is bright and makes the display readily visible at night.
Bottom line. The large digits in the display are nice and eliminating the interference on an eBike for night riding worked fine.
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4 of 4 people found the following review helpful By S. McClain on September 22, 2008
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I've had an earlier version of this unit (a BC-800) on my motorcycle for several years. It has been very useful, primarily to give me a large display of my actual speed. You see, most motorcycles have an 'optimistic' speedometer, which usually read 10% high.

My BC-800 finally gave up the ghost - the display faded to where it was barely visible.

The BC-1606L is better in most every way than the BC800. The single best improvement is the non-volatile memory. That means you do not need to re-program the unit every time you replace the battery. The display is larger, and the contrast is adjustable. And, there is a 'backlight' feature!
Installation on a motorcycle is easy. Mount the pickup on the brake caliper, and set the Wheel Size and the Time into the computer. Make sure the pickup cable doesn't foul anything when you turn the steering lock-to-lock.
Installation of the magnet is a little more complicated. Figure out where the magnet will pass less than 1/4 inch from the pickup. This is most probably on the brake rotor. Using either double-stick tape or some packing tape, stick the magnet where you think it'll work. Take a slow ride around the block, and see if the system shows your speed. If it doesn't, you'll need to fiddle with the location of the magnet and/or the pickup. If it does work, mount the magnet more permanently on the rotor. I used two-part epoxy glue.
A really great piece of gear, for not a lot of money!
I don't recommend the 'wireless' version of this unit for motorcycles. While I haven't seen one, I'd guess the ignition system might interfere with the Sigmas' signal.
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