echowell BRI-10W computer now dead

[cooperplace]

this morning the sensor on the above cycle computer -the part that attaches to the fork leg- fell off and bounced down the road. I was doing about 55kph at the time. I found it, re-attached it, but no signal. The computer just says I'm doing 0 kph. Would anyone have a sensor that they want to sell? Or any ideas about whether other sensors will talk to the handlebar unit?

Thanks.