The 103mm BB length for the messengers will be associated with a partciular chainline (typically 42mm for fixed hubs). You need to match the chainline at the cranks with the chainline at the hub.
Sheldon is good value here
@upstart started
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The 103mm BB length for the messengers will be associated with a partciular chainline (typically 42mm for fixed hubs). You need to match the chainline at the cranks with the chainline at the hub.
Sheldon is good value here