FSA headset Orbit IS 1-1/8 integrated 36 x 45 ACB 41mm upper outer diameter 8mm cap 121-0325N

FSA Orbit I IS41/28.6 – IS41/30 Headset

Part Number: 121-0325N
Brand: FSA
Type: Integrated (IS) Headset
S.H.I.S.: IS41/28.6 – IS41/30
Weight: 62 g

The FSA Orbit I is an integrated (IS) headset in which the bearings are positioned directly inside the frame's head tube, without separate bearing cups. It is designed for 1 1/8" upper and lower head tubes and a standard 1 1/8" steerer tube.

The upper section uses the IS41/28.6 standard, while the lower section uses IS41/30, making it suitable for bicycles with the corresponding frame and steerer tube dimensions.

Key Features

• Integrated (IS) design

• Cup-free installation

• 1 1/8" upper and lower head tube

• 1 1/8" steerer tube

• Angular contact ACB bearings

• 36° / 45° ACB bearing geometry

• Aluminium components

• Patented bearing arrangement

• Black finish

• Aluminium top cap

Technical Specifications

S.H.I.S. (Standardized Headset Identification System)

• IS: integrated bearing design, with the bearing positioned directly in the frame

• IS41/28.6: upper section, 41 mm head tube and 28.6 mm steerer tube

• IS41/30: lower section, 41 mm head tube and 30 mm steerer tube

Applications

• Road bikes

• Cross Country

• All Mountain

• City bikes

Package Contents

• 1 × FSA Orbit I upper bearing

• 1 × FSA Orbit I lower bearing

• 1 × FSA headset cover

• 1 × Compression ring

• 1 × FSA top cap

• 1 × Star nut with bolt

• 1 × Crown race