Wireless bike computers--Any good suggestions?

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Anonymous's picture

I currently have the Mavic wireless system. The speedometer/odometer works fine but the cadence monitor requires frequent adjustments. I bought the Mavic system at Sid's and have had their shop guys check it out on a number of occasions without much improvement.

I've read a few online reviews of different wireless systems, but can't find a clear consensus of which ones might be the most reliable. They all seem to have their quirks.

Does anyone have a wireless system that they've been using for a couple of seasons that they can recommend?

Anonymous's picture
Heath (not verified)

I have a Polar 720i. It is great because you can download the information to your computer. But if you want something reliable, this is not it. I am about to add a wired computer to the bike just so I have something that is consistant.

Anonymous's picture
JT (not verified)

I have the Sports Instruments wireless HR monitor + bike computer. It works fine inside central park, although it doesn't have a lot of features. As soon as I leave the park, though, the HR monitor stops working (due to interference?).

Anonymous's picture
Gary Katz (not verified)
Sigma Sport 1200 BC

I have the Sigma Sport 1200 BC. (I don't have cadence, but there is a cadence option on either this or another one of their models). It is very easy to install and uninstall. The fork mounted sensor and the bar mounted display module are held in place by a heavy rubber band that wraps around the fork or bar and slips into grooves on either side of the module.

I use it on my cyclocross bike, which I also use quite a bit on the road. When I ride cyclocross, I can snap it off easily before the event, sparing the risk of damage from mud, rocks, etc.

I calibrated it using the standard wheel circumference formula from Sheldon Brown. I have checked the calibration against mileage markers on many NJ roads, and it is within hundredths of a mile over several miles (rarely more than one per cent difference, and who says the markers are so accurate, anyway?).

The unit has three batteries in its modules, and there is no sign of their weakening after over 1000 miles in the last year.

There is one problem I have had with it. I called the company, and a person answered the phone, rather than a machine. When I stated I had a technical question, the gentleman told me he would be glad to help me. He gave me troubleshooting guidance, and the problem was solved.

This problem has happened several times, and has always been resolved quite easily with one exception. On that occasion, I was about to give up, but gave it one more try and got the desired results.

I'd rate the product 9 out of 10, and the company and its people 11 out of 10.

I have the Mavic wireless cadence system on my road bike. It is accurate over long distances, but the display in tenths rather than 100ths, the lag time when starting and stopping, and the one parameter at a time display (other than speed, or course) take some getting used to.

I formerly had an Echowell J12 wired cadence system (I don't know if that particular model is available any longer) and it served me well for four years.


Anonymous's picture
don montalvo (not verified)
gotta admit...

...i only use my ciclometer for speed/time/heartrate. i used to use polar but the software sucks. i only had the s150 (did all i needed). i switched over to hac4 (which i'm still learning how to use). the bundled software is incredible...although i haven't had the need (or desire) to use the bundled cadence kit and i'm not going to be using the altimeter (bogus readings based on air pressure) or temperature (what else can they ask this thing to do?!).

based on the four rides i did so far (each ride is imported as a separate file, even if i forget to start/stop at the start/finish of a ride (hac4 is smart enough to break things down by day!), i've had excellent results. no drop offs on the hrm (rego park to central park to state line and back), and the speed is right on. of course the timer is accurate.

some of my buddies who own hac4's say there's a reliability problem. i also read there's a mount problem (that apparently was fixed as the company stated they would do).

at this point i don't think i'll ever go back to polar. if you're looking for a cyclometer/hrm combo, you can go with polar or the hac4. if you're looking to download data, you'd be hard pressed to beat the hac4. the polo software, like i said, leaves a lot to be desired.

don (hoping to make it past state line soon )

Anonymous's picture
bill (not verified)

Do you have shimano shifters? I like the flight deck and have used it over several seasons. I love it.

Anonymous's picture
jc (not verified)
Cateye NOT!

Tried the Cateye double wireless. The display was almost inpossible to read except in the brightest sunlight. For some reason Cateye in their infinite wisdom decided to display the cadence behind a darker window, making it even harder to see. Oh, there is a light that goes on for about 3 seconds. Another useless feature. I will say the unit was easy to install and set up. And just as east to uninstall.
Overall nice idea-Poor execution.
I sticking to my old Specialized wireless (wired for cadence).

Anonymous's picture
Sebastian (not verified)
wireless no

i've had only bad experiences with wireless. they work on and off and use tones of battery. i'm back to wires

Anonymous's picture
Alan (not verified)

I have used a Vetta V100 wireless for a couple of seasons, no problems.

Anonymous's picture
Alan Tennenberg (not verified)

I have been looking at a wireless unit for my new bike, and have been warned away by most of my riding colleagues. One unit that looks good is the new VDO DS series. They use a digital signal (less crosstalk) with 45 sec of buffering, so if the signal is screwed up when you ride under high tension lines the buffering protects the Vavg and Vmax readings (no, you weren't going 104MPH). I will be getting one soon (expected out early July) and will let you know how it works.

Anonymous's picture
Stephen (not verified)

Alan, if you get one, let me know how you like it. Would also be interested in knowing if the sensors and transmitters are low profile on the bike or if they're kind of bulky.

With the Mavic, I like the fact that the sensors and magnets are nearly invisible. But the cadence monitor is very finicky and it seems I have to reset/retrain it every other week.

Anonymous's picture
Alan Tennenberg (not verified)

It's on order. I don't plan to disconnect my old Avocet 35 until I am satisfied with the performance of the VDO. Will let you know.

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