ABS sensors and rings on one side only?

Been rooting today as my handbrake was binding slightly on the Pax side.

Anyhoo whilst giving that some attention, i noticed the Reluctor ring? ABS doohdah and the accompanying sensor.

But when i replaced my CV boot last week on the drivers side there was no ring or sensor:dunno:



Is this normal? seems a bit odd/fishy to me.

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