With the max-e you transform your manual wheelchair easily and quickly into a light, manoeuverable and fully-fledged electrical wheelchair, while all the advantages of a manual wheelchair remain the same. efficient transmission of power by a direct drive possible assembly for virtually all wheelchairs at a seat width of 28 cm and above low net weight of 8.9 kg easy attachment of the drive to the wheelchair suitable for a maximum approved total weight of 200 kg (person, wheelchair and max-e)