Features are everything I would need for my reacreational biking. Price was reasonable.

Written directions along with illustrations are pretty bad. In addition to attaching the computer with an O-ring, the directions show securing it with a tie that isn't included in the box. Having to use a pen to push in the SET button on the back of the computer was awkward.

Instructions were not very clear, but I found an excellent video on YouTube that made installation easy. Another video showed step-by-step instructions for the computer to set the clock, wheel size, language, etc. Took the bike out and the computer never registered that the bike was moving. Trip distance remained at 00.00. I brought the bike in to Dick's to see if they could troubleshoot the problem. The only guy in the bike department knew very little about wireless computers and couldn't help. My last hope was that the battery in the transmitter was dead. Took it to a battery shop which showed it was fine. Was totally fed up and returned it to Dick's.

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Wired bike computer

Basic Functions, 2 button operation

Where Do I begin?
1) It doesn't work! I fooled around with it for far too long. Although I get a display, either the Transmitter or Receiver isn't working.
2) Setup was painful! Setting up Wheel size, Clock, Language, etc with a PIN-PUSH is about as painful any setup could be. Pushing a pen-point that gets you to a selection is awkward, works intermittingly & you need to do it every battery change.
3) website help/troubleshooting is non-existent

It's my second & last SIGMA Bike Computer!

It was reasonably easy to set up & the main reason i bought it was because it was wireless, it tells me all i want to know!

It is held on with O rings which break after about 2 rides & i bought bigger & stronger 1s but still had the same problem!! in the end i've tied it to the fork leg with some insulated electrical wire, the problem i have now is it will not turn off after use? even after 24hrs & i can't get an answer why or what i can do to turn it off!!

Have to say i'm not sure i would recommend it as i don't know what problem i will have with not being able to turn it off!!

None

Everything. The unit is held on with rubber O-Rings. They are cheap and break. The directions are horrendous, and the artwork that goes along is even worse. I spent two hours trying to get this to work. I have the wireless model, so far the only thing that works is the clock and temp. Save your money and aggregvation.

Terrible. Not worth $10 let alone $39.95. Cheaply made securing system. Directions are terrible. I am going to try and get my money back from Dicks Sporting Goods where I bought this. Will never buy another Sigma Product again. Have a nice day!

I guess it would be good - IF I COULD SET ANYTHING.

This did not have any kind of manual, and i have no idea how you could change the settings. Mine one has set button on the back, and 2 buttons for changing 'bike'.
Because of I can't change the tire size or anything, this gives me wrong numbers. This one is just 1200, not 1200plus.
Exactly same as the picture, but not the plus.

Don't know how to change settings. Tried that hole on the back - still can't change anything Tried every combination of numbers, but only thing i was able to was to change language from english to (?) spanish and back. Cost 25 euros, but as long as i can't do anything, this was waste of money.

Easy to use. Easy to read when riding. I liked the size of the unit and thought it was a good looking unit.

The tire size chart in the manual was wrong but they provided an updated sheet with the right numbers for the tire sizes. I would have liked a regular on/off switch.

For my 1 st wireless bike computer I was impressed with the unit. Would recommend it to the average rider.

HAVEN'T BEEN ABLE TO USE IT BECAUSE THE CODE IS WRONG FOR MY BIKE TIRE SIZE. THEREFORE IT GIVES ME WRONG SPEEDS AND AND DISTANCE.

I WOULDN'T BUY IT UNITL THEY GET THAT RIGHT.

Have only owned product for one Day, No comment as of now!

Extremely off in mileage

The set up manuel say that for Wheel size 700x40c tires, the set up code would be 2224. This is not even close to being correct. Can anyone advise me on how to find the correct set up code or tell me the code. Instruction Book is terrible and there isn't a manuel to explain the operation functions.If it wasn't for a UTube video I wound not even have known how to put the wheel size code in, however it is the wrong code anyway so that did not matter. Please help thanks

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Bell

Display is easy to read. Unit it simple to install.

Instruction manual could be better. The chart for wheel size input is WAY off. Using the chart, my five mile jaunt to the market netted me eight miles.

Now that I have the unit properly calibrated I really like it. Easy to read display, lots of information, and easy to operate. Not bad for the price. Buy it if you are a weekend warrior, a commuter, even an avid cyclist. Not suitable for racers and the hardcore.

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VDO, Ascent, Vetta

Easy to install, easy to program

Doesn't read accurately or chart is WAY off

Purchased this unit to keep track of my rides, and was shocked after the first night when it said I had gone much further and faster than I had calculated with GPS during the day.

The chart for my tire size says to plug in the value of 2070 for my wheel size, which is the correct number ( 26" X 25.4 X 3.14 = 2073mm ). So, I'm getting a reading that is higher by a factor of 1.67. In other words, if I'm going 10mph, the unit shows me going 16.7mph. If I ride for 1 mile it shows I rode for 1.67 miles.

I ended up mapping out the route I took on GPS again, calculated the correct distance, and reverse engineered the correct wheel size value... and it came to 1239. When I put this number into the computer, it came out measuring my speed and distance correctly, within .1% of my GPS value.

What gives? At first I was thinking I had it in km.hour mode but it's showing output in mph, not km/hr. I find this very odd, since there are 1.6 kilometers in a mile, so the numbers are very close if it was in the wrong mode.

The output when I set the mode is at "M". Any ideas?

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