175 Office Chair
The office chair model directly related to '175' is the ON 175/71 medium-back chair. Here are its detailed specifications:

1. Basic Parameters The ON 175/71 medium-back chair has the model number A1107-1, with dimensions of 700W (width) ร 660D (depth) ร 1050-1170H (height). It falls under the category of medium-back chairs and is suitable for regular office settings. Its size design takes into account both ergonomic needs and spatial adaptability, with a height-adjustable range (1050-1170mm) that meets the sitting needs of users of different heights.
2. Materials and Craftsmanship The core structure of the chair is made of dyed plastic or die-cast coated aluminum, offering three color options: black, matte, and silver. The surface treatment processes include polishing or chrome plating, ensuring both durability and visual appeal. The casters feature a dual-disc rotating design, made of black polyamide, providing quiet and wear-resistant properties suitable for flexible movement on hard floors (such as wooden floors and tiles).
3. Core Design Features The standout feature of the ON 175/71 is its patented 'Trimensionยฎ Three-Dimensional Synchronous Dynamic Seating Technology' by Wilkhahn. This technology enables the chair to automatically adjust its support angles through a linked design of the seat, backrest, and armrests when the user changes their sitting position (such as leaning forward, backward, or sideways), reducing localized pressure on the body and promoting blood circulation. This design is particularly suitable for long hours of office work, reducing fatigue caused by prolonged sitting.
4. Brand Background and Industry Position Wilkhahn is a German high-end office furniture manufacturer renowned for its ergonomic design. Its products often represent industry technical standards. The brand to which the ON 175/71 belongs has launched classic series such as FS-Line and Modus and has won the Federal Ecological Design Award, reflecting its advantages in the application of eco-friendly materials and sustainable design.
5. Suitable Scenarios Based on its dynamic support technology and medium-back chair positioning, the ON 175/71 is suitable for scenarios requiring prolonged desk work, such as offices, conference rooms, or home studies. Its height adjustment function also allows it to be adapted to office desks of different heights, meeting personalized usage needs.
Currently, no other office chair models or parameters directly related to '175' have been found in other search results, making the ON 175/71 the only clearly matching option.




