Special Style Acros AZ-44BL Blocklock Headset Upper Part

With the semi-integrated AZ-44BL Blocklock headset upper part ZS44/28.6 with 164° steering stop from Acros, 1 1/8″ forks can be installed in frames with a press-fit dimension of 44mm. The Block Lock is a frame defense solution that stops spinning fork crowns and handlebars from damaging your frame.

Zerostack (ZS) construction forms are widely used through their advantages, of a low overall height and bearing shells.

Product features – AZ-44BL Blocklock 164° Headset Upper Part ZS44/28.6

• Model: Headset AZ-44BL ZS44/28.6 (Ahead semi-integriert 1 1/8″)
• Type: Semi-integriert (ZS)
• Steerer: 1 1/8“
• Steering Angle: 164°
• Bearing: Industry Angular contact ball bearings
• Seal: R3 (metal sheet supported rubber seal)
• Lower:
  • 1 1/8″ Cap – ZS44
  • 1 1/8″ Angular contact ball bearings, double sealed
  • Offset: 9mm
  • Mounting height: 12.5mm
  • Inside diameter: 44mm
  • Outer diameter 28.6mm
  • Fork cone: 1 1/8″

Material

• Head cap: Aluminum
• Bearings: Stainess steel
• Bearing cap upper: Aluminium

Color (choose variant)

• black
• blue

Weight

• 81g (manufacturer information)

Scope of delivery

• 1 Acros AZ-44BL Blocklock Headset Upper Part ZS44/28.6
• 1 Fork claw with screw