B541 2RS MAX Enduro Bike Headset Bearing (Older 1″ Headset)

Precision Tolerance: ABEC3

Ball Grade: Grade 10

Seals: 2RS

Material: 52100 High Carbon Chromium Alloy

Application: Headsets

2RS 2 Rubber seals indicating they have lip seals on both sides and are pre-filled with grease for life