Speed sensor Bluetooth® Smart and Cadence sensor Bluetooth® Smart set is rated 3.6 out of 5 by 7.
Rated 2 out of 5 by from Doesn't like to sync. Not very happy with this item. It doesn't sync easily with my M450 unit. Speed and HR sensors sync easily every time. This doesn't.
Date published: 2017-01-22
Rated 3 out of 5 by from Necessary for Slope Readout Without the speed sensor, Polar M450 won't show inclination while climbing. Inclination helps with getting to know your gears.
Date published: 2016-09-21
Rated 4 out of 5 by from Owrks as advertised The product works exactly as advertised, which is a nice change compared to some products. However, it is missing one important feature ... ANT+
Date published: 2016-08-13
Rated 5 out of 5 by from 75 Or Better So far so good!!! Trying to keep my Cadence at 75 or better!!!
Date published: 2016-04-24
Rated 5 out of 5 by from Works Well Purchases this a weeks ago, works as advertized. I'm happy with it.
Date published: 2016-04-04
Rated 1 out of 5 by from Not compatible with any apps I received these sensors as a Christmas gift. The description is misleading. The data can only be analyzed by Polar Flow if you have another Polar device capable of reading the sensors. None of the Polar apps (Polar Beat or Polar Flow) can read the data emitted from these sensors, so noting compatibility with a given smartphone is not helpful unless those smartphones had the, as yet, non-existent app. A non-Polar app can read the sensors (e.g. Strava or Wahoo), but will only read the cadence sensor (Strava) or speed sensor (Wahoo), so no point in investing in both sensors.
Date published: 2015-12-28
Rated 5 out of 5 by from Excellent component to bike setup I bought this for my wife as a Christmas gift, as she was interested in reducing clutter on her bike handlebars caused by a separate heart rate monitor and bike computer. An additional benefit was incorporating the data storage and navigation capabilities of the smartphone into the bike computer setup. Install was about 10 minutes, and pairing with the smartphone was automatic. I used the existing magnets from her old cadence and speed sending units, as they were a bit larger than those provided in the kit, and were already installed on the bike. I like the LED indicator lights on the units, that make it easy to tell if the sensor got bumped and is no longer picking up. The units are small and tidy, and the attachment method makes them less likely to get bumped during travel on the carrier, or tire changes. They worked great on the first ride along with the H7 HRM. So far they're great. The only minor complaint is that the batteries are not replaceable. Typically, we've had to replace the batteries in the sending units for bike computers about once a year. The instructions claim these will last ~ 3000 training hours, whatever that means. We'll have to wait to see how long they last. Obviously it's quite a bit cheaper to buy a new battery than to replace the whole sending unit, but if the batteries last longer than the typical CR2032 batteries, then all will be forgiven.
Date published: 2015-12-09
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