Steering bearing 30.15 × 41.8 × 7 mm for KuKirin G2

Sealed bearing for smooth handlebar rotation

The headset bearing features metal rings and a red seal. The nominal size 30.15 × 41.8 × 7 mm determines the inner diameter, outer diameter, and bearing height.

Features and Compatibility

• Model: KuKirin G2.
• Bearing with red seal; inner diameter 30.15 mm, outer 41.8 mm, height 7 mm.

Approximate dimensions

• Inner bearing diameter: approx. 30.1 mm, nominal 30.15 mm.
• Outer diameter: 41.8 mm.
• Thickness: 7 mm.

When choosing, check the shape of the contact surfaces as well, not just the diameters. A stiff handlebar or play are reasons to check the bearing, but incorrect headset preload should be ruled out first.

Headset assembly restoration

• Check for play or stiffness first in conjunction with adjustment and contact surfaces. Replace a damaged bearing without striking the rolling elements.
• Clean the housing and assemble the parts in the correct order. Transfer force during insertion to the ring that fits the housing, and observe prescribed lubrication.
• After adjustment, check for smooth handlebar rotation and absence of play. Overtightening will not fix a worn bearing.