ACS Maindrive 1 1/8" Headset Black ACS Maindrive Headsets feature forged steel cups as well as alloy tops and cap. They also have sealed mechanism bearings.
Available in black, to suit 1 1/8" steerer tubes.
Features
Suits 1 1/8" (28.6mm) steerer tubes
Threadless
Alloy/Steel combo caps with an alloy top cap
Semi-Sealed bearings featuring an upgraded compression ring making the headset more durable & smooth
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