FSA Orbit Xtreme Pro Headset
The Orbit Xtreme Pro is for the extreme XC rider.
* Cutting edge design Forged and CNC machined 7075/T6
* industrial cartridge sealed bearings
* Stainless steel crown race
* Stack height 16.5+13.5=30mm
*Weight: 119 grams
* 1 1/8" = 28.6mm