Replacing Wheel Spoke Sensor

My friend bought a Trek bike from a shop on eBay. He recieved the bike with the wheel spoke sensor missing for the Trek Incite 9i computer. Does anyone have any ideas on where to find a replacement? Will a Cateye sensor work?

The bike shop said they would send him a new one but that didn't happen.

Thanks very much.

Mark

It appears to be a standard magnet type sensor. A Cateye sensor should work, it wouldn't hurt to try. Your LBS should also be able to help out with this, especially if they are a Trek Distributor.

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Once I got by for a while with an ordinary magnet taped to the spokes. It was pretty powerful though; not some common refrigerator magnet.