Cannondale Headset 1 1/8 to 1.5, Headset Si to Tapered with Drop-in Cup, K35019

Cannondale Scalpel Si M - XL Headset, Si to Tapered, K35019

For the OCHO Fork

Scalpel Si frame size M - XL

• Upper 1 1/8" bearing - TH-873, 45 x 36, 6.25 x 30 x 40.9mm
• Lower 1 1/2" bearing - MR-019, 45 x 36, 7.5 x 40 x 51.8mm

Upper bearing same as FSA Headset Bearing ACB TH-873E, MR122, 1.1/8", 6.5 x 30.2 x 41mm, 36°×45°

Lower bearing same as MPart Elite Headset R438 1 1/2" Bearing (40 x 51.8 x 8, 36x45) 36 Degrees, IS52, (equiv. to Cannondale ACB518H8K-DAAD)