Theory Internal ZS44 Z-type 1-1/8" Sealed Headset - Red 12" Spank uses the exact same

Spank uses the exact same quality forged steel axle and industrial bushings and bearings in the SPOON DC that we use in their high-end OOZY pedal

It will accept 29" x 2

5"+ (ISO 584mm)ERD: 566Width ID: 36Width OD: 41Profile: 17Drilling: 36Wall: DoubleValve: SchraderTire Compatibility: Tube Only

with strong

Theory Internal ZS44 Z-type 1-1/8" Sealed Headset - Red 12" Spank uses the exact sameThis 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: Red