Premium ball-raced bearings for ultra-smooth operation in all conditions - Precision manufactured for fast and easy fit and consistent servicing - Manufactured to consistent tolerance for safe and secure assembly - High-quality rubber shields for enhanced protection against the elements - Keeping dirt, water, and dust out, and lubrication in, means more time bashing and less time wrenching

SPECIFICATIONS:

Inside diameter: 8mm

Outside diameter: 19mm

Thickness: 6mm