XRAY: Ball-Bearing 10x15x4 Rubber Sealed - Grease (2)
High-speed ball-bearings manufactured specially for XRAY. ID x OD x thickness (mm) = 10x15x4. Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These high-quality ball-bearings are fitted with special rubber covers, filled with special grease for maximum smoothness, long life, highest tolerance and maximum performance. Set of 2.