The Enduro ABEC-5 stainless steel bearing is a high-precision upgrade for BB30 and PF30 bottom brackets. It features Grade 10 balls with a roundness tolerance of 5/1,000,000", ensuring exceptionally smooth rotation. This stainless steel construction provides superior corrosion resistance, making it ideal for riders in wet or humid climates.

Designed with C3 clearance, this 61806 model allows for thermal expansion and optimal performance under heavy loads. The sealed cartridge design blocks contaminants, extending the service life of your drivetrain. It is the perfect solution for restoring a quiet, friction-free interface to your high-end crankset.

Quick Facts

Feature	Specification
Dimensions	30mm x 42mm x 7mm (61806)
Precision	ABEC-5 / Grade 10 Balls
Material	Stainless Steel (Corrosion Resistant)
Compatibility	BB30 / PF30 Systems
Internal Fit	C3 Clearance
Type	Sealed Cartridge