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

Color: Black
Size: One Size
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Specifically designed for PF30 frames using a 30 mm crank spindle, this Wheels Manufacturing PF30 Outboard Thread Together bottom bracket has an angular bearing on the drive side, radial on the other.


  • 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.

View all Wheels Manufacturing Bike Bottom Brackets

Technical Specs

Best Use


Bottom Bracket Installation

Thread Together

Bottom Bracket Standard


Spindle Interface

No Spindle

Fits Shell Width

61-83 millimeters

Spindle Diameter

30 millimeters


151 grams

Bearing Material

Stainless Steel


Aluminum cups; Enduro Angular Contact bearings

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