Promax PI-1 Alloy Press-In Threadless Headset location-68030398627-out-of-stock S-Spec tires conform better to

S-Spec tires conform better to track surfaces for buttery smooth runs

BOLT REQUIREMENT: Fits standard gear bolt that comes with 2-pc and 3-pc cranks

Silicone gripper band

6oz or 12oz cans

FIT: 3/8" or 14mm axles (adapters included)

Promax PI-1 Alloy Press-In Threadless Headset location-68030398627-out-of-stock S-Spec tires conform better toThe Promax PI 1 Headset is two headsets in one! Because the bearings are 45x45 you can remove the other cups and use them as an Integrated headset. This takes the pain out of making sure you are buying the right headset and knowing that when you switch frames you will have what you need. SPECS: SIZE: 1" and 1 1 8" STYLE: Standard press in cups, 45x45 bearings so it can be used and an Integrated headset too! BEARING: Super smooth rolling, precision