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SIGMA Duo Magnetless Speed Sensor
The Duo Magnetless Speed Sensor by Sigma Sport uses two different transmission technologies to ensure maximum compatibility with all sensors. ANT+ or Bluetooth is used to send the speed to your compatible Sigma Sport ROX device.
Product Features - Sigma Sport Duo Magnetless Speed Sensor
- Data transmission: Bluetooth, ANT+
- Compatibility: ROX GPS 4.0, ROX 11.0, ROX 11.1 EVO, ROX 12.0, ROX 12.1 EVO
- Battery: Button cell
- Waterproof: Yes
Material
- Plastic
Color
- black
Scope of delivery
- 1 x Sigma Sport Duo Magnetless Speed Sensor
- 1 x Mounting Material
20335
4016224203352
4016224203352
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Hatte diesen Sensor in Verbindung mit einem Wahoo Elemnt Roam genutzt. Montiert hatte ich den Sensor an der Nabe des Vorderrades, um eine bessere Verbindung zum Wahoo zu erreichen. Der Sensor gefällt durch seine recht kompakte Abmessung. Leider wurde die Geschwindigkeit im Bereich bis 30 km/h mit Sprüngen um +/- 1 km/h angezeigt, bei 50 km/h mit Sprüngen von rund 5 km/h und ab 80 km/h kam es immer zu einem Totalausfall. Werde jetzt auf einen Sensor zur Montage an der Gabel mit Speichenmagnet wechseln und auf Besserung hoffen.
Schöner Sensor von Sigma Sport. Klein und kompakt. Problem ist, dass die Geschwindigkeit teilweise springt. Umso höher die Geschwindigkeit, desto wahrscheinlicher sind Sprünge in der Anzeige. Prinzipiell ein guter Sensor, wer aber ganz genaue Werte möchte, kommt um den Ant+ Sensor mit Magnet nicht herum. Aufgrund der Ungenauigkeit nur 3 Sterne.
I bought this speed sensor (one for MTB and one for road bike) to improve the accuracy of the indication given by the ROX11.1 GPS only. They don’t work well at all. The speed jumps continuously even +10 +15km/h, especially uphill and at low speed, which is quite impossible in the real world ; because of these continuous jumps also the indication of the slope is unreliable (always lower than real). The total distance is not accurate. Note that the sensors have been updated to the latest firmwre version available. In the last MTB ride I was riding at a constant speed of about 6-7km/h with a slope of 12-13% and the display of the Rox 11 continued to show a speed ranging from 7 to 25km/h...simply impossible, I understand that there may be tolerances but this continuos jumps are not acceptable. I did the same climb with GPS only and the speed indication became much more stable. I redone the same ascent with an old VDO M6 and magnetic speed sensor shows a constant speed and a costant slope as is the road actually. For me, these magnetless sensors are useless in the real world, maybe because they are not immune to the vibration of the bike. Even if inaccurate it is better to use GPS only speed indication. I do not know if it is a specific problem of this manufacturer or if it is a general problem of the magnetless speed technology. Manufacturers should inform customers if there are any restrictions on the use of their products. For me it was money wasted.