An autonomous coverage robot comprising: a chassis; a drive system mounted to the chassis and configured to maneuver the robot over a cleaning surface; and a cleaning assembly mounted on the chassis, the cleaning assembly comprising: a roller housing ; a first roller rotatably mounted to the roller housing and defining a first longitudinal axis and being rotatable about the first longitudinal axis in a first direction; a second roller rotatably mounted to the roller housing rearward of and substantially parallel to the first roller , the second roller defining a second longitudinal axis and being rotatable about the second longitudinal axis in a second direction opposite of the first direction; wherein the second roller is spaced from the first roller to form an air gap therebetween; wherein the first and the second rollers are each resiliently compressible to allow passage of an object having a dimension larger than the air gap between the first and second rollers ; and characterized in that each roller comprises: a resilient shape-changing tube having a circumferential wall; and a plurality of vanes extending outwardly along the circumferential wall to agitate and direct debris from the cleaning surface through the air gap. a chassis; a drive system mounted to the chassis and configured to maneuver the robot over a cleaning surface; and a cleaning assembly mounted on the chassis, the cleaning assembly comprising: a roller housing ; a first roller rotatably mounted to the roller housing and defining a first longitudinal axis and being rotatable about the first longitudinal axis in a first direction; a second roller rotatably mounted to the roller housing rearward of and substantially parallel to the first roller , the second roller defining a second longitudinal axis and being rotatable about the second longitudinal axis in a second direction opposite of the first direction; wherein the second roller is spaced from the first roller to form an air gap therebetween; wherein the first and the second rollers are each resiliently compressible to allow passage of an object having a dimension larger than the air gap between the first and second rollers ; and characterized in that each roller comprises: a resilient shape-changing tube having a circumferential wall; and a plurality of vanes extending outwardly along the circumferential wall to agitate and direct debris from the cleaning surface through the air gap. a roller housing ; a first roller rotatably mounted to the roller housing and defining a first longitudinal axis and being rotatable about the first longitudinal axis in a first direction; a second roller rotatably mounted to the roller housing rearward of and substantially parallel to the first roller , the second roller defining a second longitudinal axis and being rotatable about the second longitudinal axis in a second direction opposite of the first direction; wherein the second roller is spaced from the first roller to form an air gap therebetween; wherein the first and the second rollers are each resiliently compressible to allow passage of an object having a dimension larger than the air gap between the first and second rollers ; and characterized in that each roller comprises: a resilient shape-changing tube having a circumferential wall; and a plurality of vanes extending outwardly along the circumferential wall to agitate and direct debris from the cleaning surface through the air gap. <EOS>