The present invention relates to a telescopic reel (1), in particular for an agricultural machine, comprising a central module (40 A) and at least one side module (40B), said at least one side module (40B) being telescopic relative to said central module (40A) for causing said reel (1) to switch from a retracted or closed position to an extended or open position, and vice versa, and wherein: - said central module (40A) comprises at least one fixed first crosspiece (47A) being fixed, - said at least one side module (40B) comprises at least one second crosspiece (47B) being telescopic, said at least one second crosspiece (47B) being adapted to enter at least partially into a cavity of said at least one first crosspiece (47A) of the central module (40A) when the reel (1) is in the retracted or closed position, and being adapted to be extended when the reel (1) is in the extended or open position, said at least one first crosspiece (47A) and at least one second crosspiece (47B) are provided with a crop lifting sy
