ACS Maindrive External Headset (Black) (1")

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ACS Maindrive External Headset (Black) (1")
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ACS MainDrive External Headset.


  • Forged steel cups
  • Alloy tops, and a cap with sealed bearings
  • Fits EC (traditional cup) applications

Size: 1" (25.4mm), 1-1/8" (28.6mm)
Weight: 157 g

This product was added to our catalog on January 14, 2019

Verified Owner
Tuesday, Dec 6 2022 (10 months ago)
ACS Maindrive External Headset (Black) (1")
Well made and very smooth bearings. perfect!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!