Cane Creek Black Oxide Cartridge 40-Series Bearing Description: Replacement cartridge bearing with a durable black oxide construction. Part of the 40-Series family from Cane Creek. Features: High quality long lasting black oxide material Compatible with 110, 40, and 10 Series headsets Sold individually Specifications: Model: Black Oxide Size: 1-1/8" 36 x 45deg Package: Single