Wheels Manufacturing PF30 Outboard Thread Together Bottom Bracket with ABEC-3 Bearings for 24 mm Crank Spindles

• Compatible with PF30 and Specialized Carbon OSBB bottom bracket/frame interfaces and 24 mm diameter crank spindles, such as those from Shimano
• Specialized 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 diameter
• Specifically designed to install compatible spindles in compatible frames without adapters
• Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
• Enduro ABEC-3 sealed, grade 10 chromium-steel ball bearings provide smooth, long-lasting operation
• 52100 high-carbon chromium alloy races are extremely tough and durable for a long life
• Includes two 0.5 mm and two 1 mm crank spindle spacers; includes 2 Enduro silicone dust seals
• FSA 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

Made in USA.