SIGMA BC1606L 16 Function Topline Wired Bicycle Speedometer
The BC 1606L provides a better overview of the essential information during a ride by hiding the total accumulated functions and cadence if not installed. The backlight gives optimal readability of this information even in the dark. An integrated storage chip prevents the loss of set values during battery change as features such trip section counter, timer, and second wheel size are programmable. Dot Matrix display – clearer display through full text indication between values. Active mode without total values – total values faded while riding to enable better focusing on the necessary functions. Backlight – optimal readability even after nightfall.
User Ratings and Reviews
4 Stars REAL NICE!
i did some research befor buying just any computer. i have a Specialized Hardrock Comp Disc mountain bike. it has a heavy duty frame thats made of thick squared tubing. because of this it was alittle hard to insatll the magnets and have them read properly due to the distance, they need to be pretty close. but im a clever dude and rigged it up perfect. not sure if the MPH is accurate yet but i will have that tested soon also. they cadence feature is cool too. it measures your pedal RPM, for some its worth having for road use but off road its just another extra sometimes used. so, the degree of difficulty of self install was the only reason i gave this product a 4 which is more like a 4.5 out of 5. well worth the money. buy it and have a pro install it if you can and tell them you got it as a gift. they get all testy when you dont buy there over priced models 
3 Stars Good Value
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.
5 Stars Been using sigma for 7+ years…
I’ve used the Sigma 1600L and its predecessor the 1600. Sigma makes a great computer in the 1600 series. They keep track of two bikes wheels (thus two bikes) as well as two odometers and a combined odometer. Its great if you have two bikes because all you need is an extra mount and you are set. the cadence feature is an easy add-on, and not available in most computers at this prices. It has all the regular stuff… like actual and average speed, trip computers, etc.
5 Stars Great Unit!!!!!!!
I not only use this on my bicycle but adapted it to my motorcycle! Yep- it works great for that too! Easy to use, reliable, easy to read, easy to install. I would recommend it to anyone.
4 Stars Good Value, Easy to Use
Like the product…easy to read screen. Easy to go through the different functions. Easy to install.
Light works well but I wish it stayed on longer…(only for 3 seconds I believe). The buttons aren’t labeled at all so you have to get use to what button works for what.
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