Complete semi-integrated headset for 2019-2021 Allez Sprint Disc bikes.

• Upper: 41.4mm OD press-fit cup with semi-integrated 1-1/8″ upper bearing – 30.5mm ID x 8mm Thick (45 degree).
• Lower: 50.5mm press-fit cup with semi-integrated 1.5″ bearing – 1/8″ caged bearings.
• 45mm OD / 8.5mm tall plastic headset transition cover.
• 45mm OD / 20mm tall plastic headset transition cover.
• Split alloy compression ring.
• 5mm plastic headset spacer (2 pcs.)
• 10mm plastic headset spacer (1 pcs.)