Promax PI-1 Alloy Sealed Bearing 1" Press in Headset Black Tools Other Manufacturer Part Number: TB-2C

Manufacturer Part Number: TB-2C

5mm inner width) features a tubeless friendly bead shelf

RS4166 RS2738

Manufacturer Part Number: CP2103U1060

Promax PI-1 Alloy Sealed Bearing 1" Press in Headset Black Tools Other Manufacturer Part Number: TB-2CThe 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. Or, leave the cup in the box, and use it as an