FSA - HEADSET HALF - LOWER

56mm ZS Lower Assembly Orbit Z #57

HEADSET TYPE: Threadless Zero Stack
STEERER TUBE: Tapered 1.5"
MATERIAL: Alloy
LOWER CUP: 56mm Flush Cup
LOWER BEARING: 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD

55mm ZS Lower Assembly SX Pro - Scott / Merida + Others

HEADSET TYPE: Threadless Zero Stack
STEERER TUBE: Tapered 1.5"
MATERIAL: Alloy
LOWER CUP: 55mm Flush Cup
LOWER BEARING: 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD

49mm External HS Lower - DX Pro 1.5

HEADSET TYPE: Threadless External Cup
STEERER TUBE: Tapered 1.5"
MATERIAL: Alloy
LOWER CUP: 49mm External Cup
LOWER BEARING: 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD

44mm External HS ITA Lower Assembly 1.5

HEADSET TYPE: Threadless External Cup
STEERER TUBE: Tapered 1.5"
MATERIAL: Alloy
LOWER CUP: 44mm External Cup
LOWER BEARING: 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD

49mm ZS Lower Assembly - 11/8" Fork

HEADSET TYPE: Threadless Zero Stack
STEERER TUBE: Straight 11/8"
MATERIAL: Alloy
LOWER CUP: 49mm Flush Cup
LOWER BEARING: 36° x 45° 11/8" ACB Sealed Bearing 41.0mm OD

FSA Headset 55mm Lower Assembly