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The Enduro line of headset bearings begin with chromium steel
This thread-in solution allows you to fit your SRAM DUB cranks into your Italian threaded bottom bracket shell without any hassle
Black Oxide bearings with a two-year
The most common use for this bearing is as a direct replacement bearing for Shimano bottom brackets with a 24mm OD spindle
CO 6903 LLB BO - Enduro Zero, Black-Oxide, Ceramic Hybrid, ABEC-5, Radial Bearing (CN Clearance) - 17mm x 30mm x 7mm sale The Enduro line of headsetCO 6903 LLB BO Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (CN clearance) 17mm x 30mm x 7mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 high Carbon Chromium alloy races paired with Grade 5 Silicon Nitride Ceramic balls, dual lip labyrinth (LLB) seals with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on
