ACS Maindrive External Headset
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ACS Maindrive Headsets feature forged steel cups as well as alloy tops and cap. They also have sealed mechanism bearings.
Available in Black, Blue or Red to suit either 1" or 1 1/8" steerer tubes.
- Forged steel cups
- Alloy tops and cap
- Sealed mechanism bearings
- Available to suit 1" or 1 1/8" steerer tubes