ACS Maindrive 1 1/8″ Integrated Headset Black
ACS Maindrive Integrated Headsets feature alloy construction and sealed mechanism 45/45 degree bearings.

Only compatible with frames that require an integrated headset system.

Features

• 1 1/8″
• CNC machined alloy tops
• Sealed mechanism 45/45 degree bearings
• Outer Diameter is 41.80mm
• Weighs 157g
• Only fits frames that require integrated headsets
• Black