It explains the main safety warnings, warranty conditions, instructions for assembly and maintenance of the shock absorber. The manual also describes possible adjustments, such as spring preload, rebound, compression and wheelbase, and provides practical advice for adapting the suspension to the load, driving style and type of vehicle. The main message is that installation and technical interventions must be carried out by a Bitubo Technical Centre or by a specialized workshop, to guarantee safety, performance and durability of the product.