I've rebuilt a bunch of 2 speed rear axles, and the higher ratio is always the ring & pinion reduction. The lower ratio is obtained by engaging a planetary gearset built into the carrier which slows down the axles after the ring & pinion does its thing.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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