Genuine OEM Mini Clutch Release Bearing, part number 21517536725. This bearing is a critical component of the clutch system, designed to disengage the clutch when the pedal is pressed, allowing for smooth gear changes. Its precise engineering ensures proper function and longevity within the transmission assembly. As a genuine OEM part, it guarantees exact fitment and performance. Bearings require precise tolerances to minimize vibration and ensure a long service life.