Wahoo Speedplay Zero pedals with wattmeter.

This single edition has a watt meter in one pedal.

These pedals measure how many watts you pedal with an accuracy down to 1%.

The built-in rechargeable battery holds power for up to 75 hours and is easily recharged by placing the charger down over the pedal shaft.

The pedals do not need to be removed from the bike.

Q factor: 55 mm.

Stack height: 13mm.

250 grams per set. (138 grams for the left and 112 grams for the right)