Polar CS Wireless Cadence Sensor

I bought this because I was interested in training my body to maintain a higher cadence than I was used to. I paired it up with the CS300 heart monitor/cyclocomputer.The signal is strong, and reliably reports my cadence. Here's what stuck out to me:1) The CS300 doesn't pick up your cadence right away from being idle. I'd say it takes about 7-10 seconds before it starts showing your cadence. Probably not the cadence sensors fault though; I'm pretty sure it's sending the signal, it's just the CS300 display unit probably does a "sampling over time" method and waits a while until the next time period is over. 0 stars off2) The sensor unit can be easily dislodged from its position, thus un-aligning it from the magnet. When this happens it will no longer report cadence information to the display unit. This could probably be alleviated if I had used a pair of 3rd hand wire tighteners to really clinch the zip-ties down sturdy onto the bike frame, but alas I do not own a pair of 3rd hand wire tighteners, and I doubt the average person does either. Tightening the zip ties by hand does not tighten them enough to keep the sensor from moving around if you accidentally kick it. Minus one point for this.3) The unit came with extra zip ties, and an extra large amount of tape for the magnet. These will allow you to mount the unit up to 3 times if you need to remove it for any reason. I'm pretty impressed with this because most products don't think that far in advance, and it shows that Polar is indeed interested in your product experience post-purchase. Adding one point back for this attention to detail.

Monitor has so far performed adequately. Getting any data to your computer is another story. Worked and worked and read all the blogs associated with problems and finally bought an external microphone. It was still hit or miss and had to join an online Polar workout page. Once I did get it to work, not really any useable data. I wanted to see heart rate over time so I could monitor how well I was staying within zones during intervals etc...IT WILL NOT DO THAT. It will only give you basic info, not time and HR. Unless, it does and I have yet to figure it out. Given how many tries it took just to get anything onto my computer I would not use it now anyway.

I bought the CS100 and added this cadence sensor to it. I bought the sensor from the amazon warehouse - it arrived opened but obviously not previously used/installed - all of the correct parts were there and none of the adehsive stickers/straps etc for attaching the magnet were used yet.One comment - and you'll see this on my review of the CS100 - FOLLOW THE DIRECTIONS for installation. I think negatives reviews are coming from people who didn't follow the instructions closely. The space between the sensor and magnet needs to be about 4mm (just like they say in the instructions - about the width of one of the cable tie straps that come with it).

This is my second unit since Polar decided not to allow the owner to replace the battery. It works - but I won't be buying another replacement sensor - I'll just buy a different brand unit that allows battery replacement. Would give 5 stars if they let you replace the battery.

I have a 56cm Cervelo RS carbon frame. The only way I can get the receiver to pick up the signal from this sensor is to hold the receiver at my water bottle. Not the most helpful way to ride your bike. I tried 2 of these thinking the sensor internal battery was dead. But to no luck. Both sensors would not send a single further than half the documented distance. I have a wireless Garmin Forerunner and cadence sensor on a different carbon frame and it works just fine. Don't waste your time or money on the Polar! What more is there to say?

Easy to install and godd instant response. It's good to add another variable in my training controll, it helps to save some energy for the moments that will be needed.the only thing I didn't ,liked it's that take a little to much time to re start the reading when you stop to pedalling, but for all the rest it's fine.

I was able to mount this sensor to my chain stay close to the bottom bracket and the head unit was still able to pick up the signal!

It remains the problem of changing the unit everytime your batteries must be changed. Anyway it is cheper to buy this replacement unit than a new ciclying computer.

Was a present, they loved it.

if you need it, you need it

Ich habe den Trittfrequenzmesser nun schon ein knappes Jahr.Die Montage war recht einfach (mit den mitgelieferten Kabelbindern am Rahmen und den Sendemagneten mit den Polar-Aufklebern an der Tretkurbel befestigen). Bisher hat alles gehalten und funktioniert echt gut, bisher noch keine Störung gehabt. Wenig vertrauenserweckend ist allerdings, dass der Trittfrequenzmesser praktisch rechtwinklig vom Rahmen Richtung Tretkurbel steht und das beim Mountainbike...Von der Funktion jedenfalls arbeitet die Kombination Tacho - Trittfrequenzmesser - Impulsgeber sowie die Übertragung (natürlich kabellos) prima.Ich finde es ein sinnvolles Feature, was ich nicht mehr missen möchte.Kaufempfehlung!

Lo preso come sostituzione del precedente. La batteria non si sostituisce ma dura circa 3 anni/stagioni.Molto comodo; io lo uso sulla bici da corsa. Una sola avvertenza: richiede almeno 10 pedalate prima che possiate avere la lettura sul vostro display. E' quindi "più lento" dei sensori di velocità della Polar.

Tengo un pulsómetro CS100. Buscando mayor calidad en mis entrenamiento me hice con el sensor de cadencia para la serie CS. La instalación me resultó sencilla y la señal llega perfectamente al pulsómetro (habida cuenta que mido 1.91 y mi bici es grande).Marca la cadencia sin problema.