Integrated Headset Options:Integrated Headset - 1-1/8", 5mm, Black the 38 and 42mm sizes

the 38 and 42mm sizes feature our BlackBelt flat protection for added piece of mind while you're riding over gravel or rough surfaces

just insert the end in the lock body and it locks automatically

Born for the podium

The Shimano Tiagra FC-4700 2-piece crankset balances weight and efficiency without sacrificing stiffness

ZR1 Disc Brake hub features a better seal design for improved durability and quicker response with 66 points of engagement

Integrated Headset Options:Integrated Headset - 1-1/8", 5mm, Black the 38 and 42mm sizesThe Sunday BMX integrated headset is designed to be a quality headset at an affordable price. Laser etched Sunday logo Color matching spacers included Gyro compatible High quality sealed bearings and precision tapered wedge help to keep the headset tight