@SuppressWarnings("SameReturnValue")
	default float getWheelCircumference() {
		return WHEEL_CIRCUMFERENCE_DEFAULT;
	}
This method should return the wheel circumference in millimeters.
See http://www.bikecalc.com/wheel_size_math for values.

@return wheel circumference in mm. By default it returns {@link #WHEEL_CIRCUMFERENCE_DEFAULT}.
ble-common/src/main/java/no/nordicsemi/android/ble/common/profile/csc/CyclingSpeedAndCadenceCallback.java