Cadence Sensors on MTB?

Anyone put cadence sensors on an MTB?

At times, I put slick tires on my Giant NRS3 for long road rides when I was hoping I had a cadence sensor.

Any cadence sensor works with MTBs? I tried fitting a Cateye model but the cadence sensor on the seat tube will be too far from the magnet on the crank.

I have a Polar S710i. Will the cadence sensor for that work with my NRS3?

Thanks.

Not sure about bikes with rear suspension, my wife runs a Cateye Astrale 8 on her Cannondale hardtail and it works really well. But the sensor is on the chainstay, not sure about mounting it on the seat tube....

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... must be the damn bike!

You shouldn't have any trouble fitting a Polar cadence sensor on an NRS3. It mounts on the bottom part of the downtube, just below the bottle cage. (Anywhere else would probably foul the chain, front derailleur, or something else -- they're pretty bulky little things.)

One thing to be aware of, though; if you tend to "mash" your foot into the pedal to clip in, it isn't too difficult to also mash the cadence sensor and make it fall off... if you're more careful with your clipping in, it won't be a problem.

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Peter
Cannondale Synapse Carbon Scalpel Cyclocross Ultra