Centrifuge rotor comprising a) two centrifuge rotor parts (1, 12) which can be assembled to each other and in the assembled state define an inner chamber in which a product which is to be centrifuged can be arranged, b) the centrifuge rotor parts (1, 12) being connected or connectable to each other by a locking device which is actuated by a centrifugal force due to the rotation of the centrifuge rotor and/or is biased by a centrifugal force towards a locked position, c) a first locking element comprising a locking protrusion or a locking recess, d) a second locking element da) comprising a locking recess if the first locking element comprises a locking protrusion and db) comprising a locking protrusion if the first locking element comprises a locking recess, e) one locking element being movable by the centrifugal force from an unlocked position into a locked position and/or being biased by the centrifugal force towards a locked position and f) the first locking element and the second locking element providing a positive locking in the locked position of the locking device which blocks a disassembly of the centrifuge rotor parts (1, 12), g) one locking element being a locking carriage which is guided for being moved radially and h) the locking carriage comprising an elongated hole through which the locking protrusion or pin extends, characterised in that i) the elongated hole comprises a locking portion and an unlocking portion and the width of the elongated hole is larger in the unlocking portion than in the locking portion. a) two centrifuge rotor parts (1, 12) which can be assembled to each other and in the assembled state define an inner chamber in which a product which is to be centrifuged can be arranged, b) the centrifuge rotor parts (1, 12) being connected or connectable to each other by a locking device which is actuated by a centrifugal force due to the rotation of the centrifuge rotor and/or is biased by a centrifugal force towards a locked position, c) a first locking element comprising a locking protrusion or a locking recess, d) a second locking element da) comprising a locking recess if the first locking element comprises a locking protrusion and db) comprising a locking protrusion if the first locking element comprises a locking recess, da) comprising a locking recess if the first locking element comprises a locking protrusion and db) comprising a locking protrusion if the first locking element comprises a locking recess, e) one locking element being movable by the centrifugal force from an unlocked position into a locked position and/or being biased by the centrifugal force towards a locked position and f) the first locking element and the second locking element providing a positive locking in the locked position of the locking device which blocks a disassembly of the centrifuge rotor parts (1, 12), g) one locking element being a locking carriage which is guided for being moved radially and h) the locking carriage comprising an elongated hole through which the locking protrusion or pin extends, characterised in that i) the elongated hole comprises a locking portion and an unlocking portion and the width of the elongated hole is larger in the unlocking portion than in the locking portion.