Theory Internal ZS44 Z-type 1-1/8" Sealed Headset - Gold 2.60 and substantial end caps deliver

and substantial end caps deliver the classic A'ME performance riders have trusted for decades

For these forms of aggressive riding you need to be able to throw the bike into turns

low weight and durability and feature an anodized finish

This sprocket has an anodized finish and laser etched logos

Theory Internal ZS44 Z-type 1-1/8" Sealed Headset - Gold 2.60 and substantial end caps deliverThis Theory Headset features a 1 1 8" threadless design with 44mm cups, suitable for frames intended for a Z type (zero stack) internal headset. It is a 45 Sealed Cartridge bearings and is compatible with SE, DK, Kuwahara and other bike brands. Frame Size: ZS44mm Crown Race: 30mm Steer Tube: 1 1 8" Color: Gold