Steering micro-thickness 1-1 / 4 "mw259 Fsa

Integrated headsets sometimes require micro shims to adjust the depth of machining in the head tube to ensure proper fit. Micro shims should be used between the cap and compression ring to ensure the top cup does not interfere with the top of the head tube MW034 (1”), MW006 (1 • 1/8”), MW259 (1 • 1/4”)