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Carry a spare.
Whether you lost the originals in a crash or are building up a new racing bike, Pioneer's Power Meter Patch Magnets have your needs covered. They're compatible with the Pioneer's Shimano crankset power meters, letting you freely swap your power meter between bikes for weekend TTs and the like.
- Item #PNR000F
- Q & A
Like the magnet. dont like the price for it. If you've spend that much on a power meter... $15 for a battery?
- Familiarity: I've put it through the wringer
You can also stick these on crank arms for cadence sensors or at the BB for SRMs and obviously Pioneers.