Annular drive with an epicyclic gear integrated into a housing and converting to low speed, - wherein a drive motor mounted in the housing acts on a circulating web bearing at least two planets (110, 111), the individual planets (110, 111) whereof on the one hand roll off on a first externally toothed sun gear arranged rotationally fixed in the housing and on the other hand roll off on a driving second externally toothed sun gear, - wherein the subtraction of the tooth number of the driving second sun gear from the tooth number of the first sun gear arranged rotationally fixed produces an even natural number as a differential tooth number z Diff, - wherein all the planets have the same number of teeth, - wherein at least one sun gear (30, 150) has a positive or a negative profile shift, - wherein as an alternative to the aforementioned feature at least one sun gear (30, 150) has a positive or a negative profile shift and the individual planet (110, 111) for the respective comb with the individual sun gear (30, 150) has a separate toothing (113, 123) and both toothings (113, 123) - with the same number of teeth - have at least one toothing, which has a positive or a negative profile shift, characterised in - that the total number p ges of the planets (110, 111) is greater than the differential tooth number z Diff, - that, in the case of a partial number p v of the total number p ges of the planets (110, 111) with p v = p ges - z Diff, the respective separate toothings per planet in the direction of rotation - behind each planet without tooth pivoting - in each case behind one another - are pivoted by an offset angle δ relative to the front one, - that the offset angle δ results from the formula δ = τ * (z Diff/ p ges) * (z s1/ z p1), with τ as the pitch angle of the first sun gear, z s1 as is the tooth number of the first sun gear and z p1 as the tooth number of the planets (110, 111). - wherein a drive motor mounted in the housing acts on a circulating web bearing at least two planets (110, 111), the individual planets (110, 111) whereof on the one hand roll off on a first externally toothed sun gear arranged rotationally fixed in the housing and on the other hand roll off on a driving second externally toothed sun gear, - wherein the subtraction of the tooth number of the driving second sun gear from the tooth number of the first sun gear arranged rotationally fixed produces an even natural number as a differential tooth number z Diff, - wherein all the planets have the same number of teeth, - wherein at least one sun gear (30, 150) has a positive or a negative profile shift, - wherein as an alternative to the aforementioned feature at least one sun gear (30, 150) has a positive or a negative profile shift and the individual planet (110, 111) for the respective comb with the individual sun gear (30, 150) has a separate toothing (113, 123) and both toothings (113, 123) - with the same number of teeth - have at least one toothing, which has a positive or a negative profile shift, characterised in - that the total number p ges of the planets (110, 111) is greater than the differential tooth number z Diff, - that, in the case of a partial number p v of the total number p ges of the planets (110, 111) with p v = p ges - z Diff, the respective separate toothings per planet in the direction of rotation - behind each planet without tooth pivoting - in each case behind one another - are pivoted by an offset angle δ relative to the front one, - that the offset angle δ results from the formula δ = τ * (z Diff/ p ges) * (z s1/ z p1), with τ as the pitch angle of the first sun gear, z s1 as is the tooth number of the first sun gear and z p1 as the tooth number of the planets (110, 111).