Altitude Carbon:

No.85-1 0mm Offset Headset, complete


These headsets use:

Top FSA Stainless ACB 1 1/8" 36°x45° Bearing
Bottom Stainless ACB 1.5" 36°x45° Bearing



FSA Part Number: 14100078000013 
RMB Part Number: 1194001 




Altitude Alloy:

RMB ZS56|66 0mm Offset Headset, complete
Headset Cup Set 1194004 RMB Upper ZS56 | 5mm Offset Cup Set


These headsets use:

Top FSA Stainless ACB 1 1/8" 36°x45° Bearing
Bottom Stainless ACB 1.5" 36°x45° Bearing


These headsets are purchasable via bikes.com. or your nearest Rocky Mountain Dealer.