Wheels Manufacturing PF30 Outboard Thread Together Bottom Bracket with Angular Contact Bearings for 30 mm Crank Spindles

• Compatible with PF30 and Specialized Carbon OSBB bottom bracket/frame interfaces and 30 mm diameter crank spindles
• Specialized Carbon OSBB frames with a 61 mm shell width will need additional 3.5 mm cup spacers (not included)
• Fits frames with 61 to 83 mm shell widths; 46 mm shell internal diameter
• Spindle length must be 103 mm or longer when used in a 68 mm wide shell, 109 mm or longer when used in a 73 mm wide shell
• Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
• Chromium-steel ball bearings provide smooth, long-lasting operation; Enduro Angular Contact sealed grade 5 on the drive side and ABEC-3 sealed grade 10 on the non-drive side
• 52100 high-carbon chromium alloy races are extremely tough and durable for a long life

Made in USA.