Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 CheckoutSpec= 1.8 x 12mm Adds speed-sensitive ending-stroke control and

Adds speed-sensitive ending-stroke control and bottom-out force adjustability

Compound Organic Heat Sink No Backing Plate Material Steel Pad Shape Number 56

12 deg flare and drop angles

Enduro Standard Design Cartridge Bearings

5+ 15 x 110mm SID (A1-A4) Reba (A1-A5) Reba A7 SID Select/Select+ 110-120mm (B4) Diffusion Black

Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 CheckoutSpec= 1.8 x 12mm Adds speed-sensitive ending-stroke control andRitchey WCS Drop In Integrated Upper Headset Assembly IS42 28. 6. Drop in upper assembly with top cap starnut and cap for 1 1 8" steerer. 45 45 degree angular contact bearing Titanium coated for corrosion resistance TECH SPECS Bearing Type Cartridge Bearing Type Sealed Bearing Color Black S. H. I. S Upper IS42 Defined Color List Black S. H. I. S. Stem Clamp Diameter 28. 6 Threadless