Complete integrated 1-1/8″ to 1.5″ tapered headset assembly used on various Tero HT and Tero X bikes.

• 1-1/8″ Upper Bearing: 41.8mm OD x 30.5mm ID x 8mm Thick (45×45 degree).
• 1.5″ Lower Bearing: 51.8mm OD x 40mm ID x 8mm Thick (36×45 degree).
• 52mm OD / 10mm tall alloy transition top cover for standard 1-1/8″ stem.
• Split plastic compression ring, 11mm tall.
• Split alloy crown race for 1.5″ bearing with 36×45 degree angles.
• 1-1/8″ micro shim (1 pcs).