Wheels Manufacturing PF30 Outboard Thread Together Bottom Bracket with Angular Contact Bearing for 24 mm Crank Spindles

With a simple thread together method and Enduro bearings, this upgraded Wheels Manufacturer PF30 Outboard Thread Together bottom bracket for 24 mm spindles offers increased durability and longevity.Compatible with PF30 and Specialized Carbon OSBB bottom bracket/frame interfaces and 24 mm diameter crank spindlesSpecialized Carbon OSBB frames with a 61 mm shell width may need additional cup spacers (not included)Fits frames with 61 to 73 mm shell widths; 46 mm shell internal diameterSpecifically designed to install compatible spindles in compatible frames without adaptersMachined aluminum cups with replaceable bearings offer increased durability and longer bearing lifeEnduro Angular Contact sealed, grade 5 chromium-steel ball bearings provide smooth, long-lasting operation and are well-suited for carrying combined axial and radial loads52100 high-carbon chromium alloy races are extremely tough and durable for a long lifeIncludes two 0.5 mm and two 1 mm crank spindle spacers; includes 2 Enduro silicone dust sealsFSA MegaExo spindles can be between 24.00 and 24.07 mm in diameter; this bottom bracket is not compatible with 24.07 mm FSA MegaExo spindles