Thread together bottom bracket for frames using the BBRight™ bottom bracket standard. Two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Drive Side Bearing: Enduro Angular Contact Non-Drive Side Bearing: Enduro ABEC-3 Color: Black Bottom Bracket/Frame Interface: BBRight™ Press Fit Bottom BracketShell Width: 79mm Bottom Bracket Shell I.D.: 46mm Crank Spindle Diameter: 22/24mm Tool Pattern: 48.5mm x 16 notch Over Bearing Width: 92mm in 79mm wide shell* Weight: 165g Over Bearing Width Dimensions include supplied silicone dust shields Compatible with the following Bottom Bracket Standards (46mm BB shell inner diameter, 79mm shell width): BBRight™ Notes: Wheels Mfg BBRight™ Outboard ABEC-3 BB for 24/22mm (SRAM) Cranks will not work with the following older Quarq SRAM/GXP powermeter cranksets: SRAM S975 SRAM S2275 CinQo Saturn Saturn2 Quatro These cranks utilize an older power meter where the cadence sensor interferes with our bottom bracket cup diameter.