The star coupling is produced of polyurethane, which has the characteristics of cushioning, vibration reduction and abrasion resistance. It is effortless to disassemble and assemble, and the functioning temperature is -20ºC~80ºC.
The hub materials are powder metallurgy, cast iron, ball mill forged iron or steel and aluminum alloy.The elastomer is produced of polyurethane, CZPT in four distinct degrees of hardness (80A, 92A, 98A, 64D) and withstands various torques, of which 92A is normal.