Newly redesigned high-tech full-aluminum stroller chassis is produced by the high-tech ALUX production method, which takes advantage of an aluminum alloy and a titan joint hardener combination. ALUX method ensures chassis low weight and high durability. Fully foldable chassis includes among others well designed chassis to seat interface, safe brake-system, spring cushioned shock absorber, ergonomically shaped handlebar with the height adjustment. 100% ALUX full-aluminum seat is as well as produced fully by high-tech ALUX production method. Seat-unit is detachable, reversible and fully size and position adjustable.