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Its mechanical - there's no rotational position sensors in the cassette or RD. Push button - RD moves. The delay comes from the aggressive tooth profiles that basically don't allow the chain to move until it hits a shift lane.
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March 24, 2023, 8:38 a.m. - Cooper Quinn
Its mechanical - there's no rotational position sensors in the cassette or RD. Push button - RD moves. The delay comes from the aggressive tooth profiles that basically don't allow the chain to move until it hits a shift lane.