Clarifications and features: * S-Ergo system relieves pressure. * S-Ergo system provides stability and reduces the possibility of slipping. * 2 armrest with new and easy style: easy to fold and height adjustment. * Innovative footrest design, removable outside and inside. * Stylish guard to protect you from the rear wheels. * Standard design of high-quality aluminum used in the aircraft industry. * Magnesium rear wheel. * High-level footrest.