Specification :

High quality PP wheel,TPE tread,with precision ball bearing,plastic threadguard,low rolling resistence.impact proof and corrosive resistent.
Bracket: made of pressed steel,zinc plated,double ball bearing swivel head with hardened ball race,with and without total brake,heavy duty version
80x32mm,loading 70kg
100x32mm,loading 80kg
125x32mm,loading 100kg
150x32mm,loading 110kg