Complex sentence: It was replaced by the manufacturer by a heavier flywheel the following year.Then came the RXZ in 1997, with a new chassis and a shorter wheelbase with the same primary reduction ratio as the RX100 but with a taller final reduction.
Split into simpler sentences: It was replaced by the manufacturer by a heavier flywheel the following year. Next came the RXZ in 1997, with a new chassis and a shorter wheelbase with the same primary reduction ratio as the RX100 but with a taller final reduction.