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

Description:
The FSA Orbit I is an integrated (IS) headset where the industrial ball bearings sit directly in the frame’s head tube. It is designed for 1 1/8" upper and lower head tubes combined with a standard 1 1/8" fork. Suitable for a wide range of riding disciplines.

Use

• road

• cross country

• all mountain

• city

Technical specifications

• Top bearing: 1 1/8"

• Bottom bearing: 1 1/8"

• Steerer tube: 1 1/8"

• Design: integrated (IS)

• Material: aluminium

• Bearings: angular contact ball bearings (36° / 45° ACB)

• Top stack height: 15.9 mm

• Bottom stack height: 1 mm

• Total stack height: 16.9 mm

• Top outer diameter: 41 mm

• Top inner diameter: 28.6 mm

• Bottom outer diameter: 41 mm

• Bottom inner diameter: 30 mm

• Seals: blue seal

• Top cap: aluminium, 8 mm

• Head tube inner diameter: 41.2 mm

• Head tube outer diameter: 45 mm

Features

• patented bearing arrangement for increased durability and performance

• integrated design without headset cups

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

• IS: bearings fit directly into a bonded or machined interface in the frame

• IS41/28.6: upper headset specification (41 mm head tube / 28.6 mm steerer)

• IS41/30: lower headset specification (41 mm head tube / 30 mm steerer)

Manufacturer number

• IS41/28.6 – IS41/30: 121-0325N

Contents

• 1 x FSA Orbit I top bearing

• 1 x FSA Orbit I bottom bearing

• 1 x FSA headset cover

• 1 x compression ring

• 1 x FSA top cap

• 1 x star nut with bolt

• 1 x crown race

Weight

• black | 1 1/8" | IS41/28.6 – IS41/30: 62 g