The standards for headset performance, durability and value are set by the 40-series. Drawing from the Premium 110-Series Design, the 40-Series incorporates all the features necessary for a durable, light-weight, long-lasting headset.
. Part Number: BAA0091K
. Technical Description: EC49/40/H12/K
. Bottom Type: EC - External Cup
. Bottom Head Tube Inside Diameter: 49.61mm
. Crown Race Seat Diameter: 39.79mm
. Crown Race Type: Steel, Face-Sealed
. Bottom Stack Height: 12mm
. Bottom Bearing Type: Black Oxide, Sealed
. Material: AL6061
. Weight: 76g