Brooks Standard Chrome Tension Shackle

This chrome steel Shackle is used on the following saddles:Team Professional in all of its steel versionsProfessional S in all of its steel versionsB17 in all of its steel versionsB17 S in all of its steel versionsB17 NarrowFlyer in all of its versions & ConquestFlyer S in all its versions & CountessSwift Chrome (not Titanium)B67B67 SSwallow Chrome (not Titanium)