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Product Description

Product Description and Application

  • A-head stem for the most common 1 1/8" fork tube diameter, adjustable from 0° to 60° upwards.


  • Available in different bar bore sizes and in various extensions
  • Easy to mount

Technical Information

  • Cold forged AL 6061-T6 aluminium
  • Black powder coating


  • 2 x Chrome plated screws M6 with 5 mm hexagon socket for Allen key, for fixing at the fork tube, tighten with max. 5 Nm
  • 4 x Chrome plated screws M5 with 4 mm hexagon socket for Allen key, for fixing the handlebar, tighten with max. 5 Nm
  • 1 x Chrome plated screw M6 with 5 mm hexagon socket for Allen key, for 0° - 60° angle adjustment, tighten with max.10 Nm


  • Available in 2 bar bore sizes: 25.4 and 31.8 mm
  • Available in 3 different extensions: 90(95), 110 and 125(130) mm
  • AH-10: 25.4 mm/90 mm,  AH-11: 25.4 mm/110 mm,  AH-12: 25.4 mm/130 mm
  • AH-20: 31.8 mm/95 mm,  AH-21: 31.8 mm/110 mm,  AH-22: 31.8 mm/125 mm


  • About 290 g (including all screws)


Installation & Maintenance:

  • Before you mount an A-head stem check first if the diameter corresponds with the diameter of your fork tube as well with your handlebar diameter
  • For assembly of the A-head stem please check the A-head stem assembly instructions
  • Tighten the screws while mounting the A-head stem with the instructed maximum torque (compare above in chapter "Fastener")
  • Check if your A-head-system is still mounted properly before every ride