CERAMICSPEED T47/73 Sram GXP MTB Coated Bottom Bracket Cups 73 mm

T47 Is A Standard Created By Custom Frame Builders. It’S Threaded, Has An Inner Diameter Of 47mm, And Is 73mm Wide. It Hasthe Design Benefits Of Being Oversized And Wide, But Also The Practical Benefits Of Threads. The Cups Have Ceramicspeed Bearings Pressed In. The Coated Bearing Has Ceramicspeed Balls Running On A 3-Micron Thick Coating Placed On Top Of Hardened-Steel Races For Greater Durability And Less Friction. Bottom Bracket Tool For Installation: Bbt-69. In The Box: - 2 Threaded Cups With Bearings Installed - 2 Dust Covers - 1mm Spacer - 0.5mm Spacer - Gxp Wave Washer - Spacer Tube - All Round Grease Installation Of T47/73 Bottom Bracket For Sram Gxp Mtb: - If You Don´t Have Any Experience Installing Bottom Brackets And Bearings, We Recommend That You Have Your Local Bike Shop Fit Your New Bearings. Maintenance Of Ceramicspeed Bottom Brackets: - We Recommend That You Follow Our Instructions On How To Maintain Your Ceramicspeed Bottom Brackets To Achieve The Lowest Friction And The Best Longevity.