Cannondale Headset 1 1/8 to 1.5, Headset Si to Tapered with Drop-in Cup, 36 deg crown race, K35019

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

For the OCHO Fork: the Ocho carbon fork has a 36 deg integrated crown race. The lower bearing therefore needs a 36 deg internal champfer. This lower bearing however does not fit directly into the lower part of the Scalpel headtube and needs the lower cup as included in this headset.

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)

Bike Platforms that feature this product:

(this list is not exhaustive - there could be other platforms that use this product)