Durable Construction and Materials
Alternative materials for wheel centers and treads include PTE 80, PTE 55, and NEK, each with specific compositions and Shore A hardness ratings. Standard frame colors are grey and black, while pedal colors include red, black, grey, yellow, and dark grey, with custom colors available.

Quality Bearings
The document specifies the use of sealed groove bearings for swivel bearings and wheel centers, with options for non-corroding stainless steel.

Working Temperatures
PTE materials are reliable between +50 to -10°C, while NEK materials function between +50 to -30°C.

Fitting Options
Fitting options include screw fittings with threaded stems, square plates, and tube expanders, each with specific dimensions and restraint moments.

Technical Specifications
The document provides detailed specifications for swivel and fixed castors, including load capacities and dimensions for different wheel sizes (75 mm, 100 mm, 125 mm).

Tango Castors
Tango wheels are designed for smooth, silent operation and are suitable for various applications such as hospital equipment and catering trolleys. They feature a simple design, customizable colors, and safety features like user-friendly brakes and overload protection. Tango wheels are made from high-quality materials, ensuring durability and easy maintenance. They are available in multiple sizes and fitting options, including an electricity-conducting version.