The bracket off Gia Cuong Thinh's K Series has 5.5 mm thickness steel and Zinc plate to prevent rust and corrosion. The PU is mold on Steel core is quite sturdy, good wear and tear resistant. Do note that this one has Steel hubs: small but very effective in dealing with dust intrusion.

The cast iron casters can withstand high temperatures and exposure to water or the environment. They will rust over time. Cast iron wheels can also withstand exposure to chemicals, grease and oils.

Innovation of stainless caster: the design just as normal steel. Parts are all exposed so it is easier to wash and clean to prevent dust, thread and even bacteria staying inside the wheel like other Plastic frame casters.

The payloads are often subjected to damaging shock forces as the vehicles' running gear comes in contact with surface obstructions. As a result, shock caused by impact becomes a significant limiting factor to overcome.