FSA DX Pro Internal MTB Headset

Headset for use in headtube with 1.5 inch lower (49.65mm internal bore) and 1 1/8 inch internal (Zerostack 44mm internal bore) upper. For use with tapered 1.5 to 1 1/8 inch fork steerer.

Features:

• 1 1/8 inch, 36 degree/ 45 degree ACB-Upper
  
  
• 1.5 inch, 36 degree/ 45 degree ACB- Lower
  
  
• For tapered 50mm /57mm OD headtube
  
  
• For tapered fork steerer 1.5 to 1 1/8 inch
  
  
• Forged alloy deep upper and lower cup
  
  
• Stack Height 16.9 + 13.4 = 30.3mm
  
  
• Weight: 139g

Upper cup assembly: ZS44/28.6, Lower cup assembly: EC49.65/40

Occasionally, without notice, manufacturers change product design and/or specifications.