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
• Black