Promax PI-1 Alloy Sealed Bearing 1" Press in Headset Black MFPN=11.4018.111.026 Options include a lightweight below-the-bar

Options include a lightweight below-the-bar design for 1x drivetrains and an above-the-bar design for 2x/3x drivetrains

Red Disco Flash mode: 15 lumens for 10:00 hours

Optimized gear steps across entire range

The one-piece construction ensures that none of your effort goes to waste

Sold individually the clamp can be mounted to the right or left side

Promax PI-1 Alloy Sealed Bearing 1" Press in Headset Black MFPN=11.4018.111.026 Options include a lightweight below-the-barPromax PI 1 Alloy Sealed Bearing 1" Press in Headset Black. The PI 1 Alloy 4545 headset has an aluminum top cap upper bearing cover lower race and upper and lower cups. All aluminum construction results in a lightweight headset. Each headset is fitted with super smooth rolling precision 4545 angular contact sealed bearings. Because this versatile headset has 4545 angular contact bearings you can use the included cups and install it in standard frames.