Promax PI-1 Alloy Press-In Threadless Headset location-68030398627-out-of-stock it delivers efficient transfer power

it delivers efficient transfer power when you need it most

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

Shorter tracks with lower starting hills where instant bursts of speed are essential

Axle Width - mm: 110

Promax PI-1 Alloy Press-In Threadless Headset location-68030398627-out-of-stock it delivers efficient transfer powerThe 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