Automotive Rotor Retention Sleeves Market was valued at USD 1,231.5 million in 2025. Carbon fiber sleeves are estimated to account for 46.0% of Sleeve Material demand in 2026, Permanent magnet motors for 37.0% of Motor Type demand, and 15,000-25,000 rpm for 38.0% of Rotor Speed demand. Battery electric cars lead Vehicle Type at 44.0%, while EV motor OEMs lead Sales Channel at 41.0%.