40 Series IS41 1-1/8"

• 40-Series Represents the Perfect Balance of Performance, Durability and Value
  
• 6061-T6 Aluminum Cover
  
• Innovative Clip-Seal Seals the Top Assembly and Captures the Compression Ring
  
• Interlok Spacer Compatible
  
• Sealed Black Oxide Steel Cartridge Bearing
  
• Consistent Stack Heights Across 10, 40 and 110-Series
  
• Internal Parts Are Cross-Compatible Across 10, 40 and 110-Series

Attributes

Bearing Grade	Sealed cartridge
Crown Race Diameter	30mm
Headset Position	Complete
Headset Type	Integrated
Headset Weight	71g
Lower Cup	41mm
Primary Color	Black
SHIS Lower	IS41/30
SHIS Upper	IS41/28.6
Stack Height	10
Steerer Tube	1-1/8''
Upper Cup	41mm