SE Racing Eluder Sealed Standard 1-1/8" Threadless Headset - Red 2.25/2.50-18 It is compatible with cranks

It is compatible with cranks such as the Shimano DXR and most other 24mm cranks designed for external bottom brackets

6mm thru 28

foldable bead option only

Be sure to see the dimensions in the second photo

Spindle Size: 1/2"

SE Racing Eluder Sealed Standard 1-1/8" Threadless Headset - Red 2.25/2.50-18 It is compatible with cranksThe fully sealed SE Eluder headset features lightweight and strong 6061 T6 alloy cups with laser etched SE logos. The Tange Seiki sealed bearings feature Technoglide technology for an impressively smooth feel, and a custom designed flat top cap features an awesome repeat SE wing pattern. This headset will fit frames with 34mm inner diameter head tubes and forks with a 30mm crown race. Size: 1 1 8" Color: Red Anodized Note: This part was colored by