I found an answer to your question.
I have searched the web extensively and I cannot find the part either every time I find the part it was no longer available, discontinued, so I found a sensor that fits a Schwinn elliptical bike Dx900T the OEM part number is # 91911 from https://www.sportsmith.net/itemform.aspx...0%20Dx900T
The new sensor has the same identical plug in for the monitor and the sensor uses the exact same pickup technology. The new sensor has a different shape than the original but it can be fastened to side of the original sensor casing using double sided tape. This sensor makes a good replacement that works.
I have searched the web extensively and I cannot find the part either every time I find the part it was no longer available, discontinued, so I found a sensor that fits a Schwinn elliptical bike Dx900T the OEM part number is # 91911 from https://www.sportsmith.net/itemform.aspx...0%20Dx900T
The new sensor has the same identical plug in for the monitor and the sensor uses the exact same pickup technology. The new sensor has a different shape than the original but it can be fastened to side of the original sensor casing using double sided tape. This sensor makes a good replacement that works.