THIELE outboard chain assemblies are available for the following chain sizes: 18x64, 19x64,5, 22x86, 24x86 and 26x92 mm. All flight bars are forged and sandblasted and feature drilled holes. The tensile strength of the material after heat treatment is 270-320 HB. Chain connectors for outboard chain assemblies are manufactured according to DIN 22253 specifications.