Wheels Manufacturing  PF30 Outboard Thread Together Bottom Bracket with ABEC-3 Bearings for 29 mm Crank Spindles

Color: Black
Size: One Size
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Designed for 29 mm diameter SRAM DUB crank spindles, this Wheels Manufacturer PF30 Outboard Thread Together bottom bracket has been upgraded to increase durability and bearing longevity.


  • Compatible with PF30 and Specialized Carbon OSBB bottom bracket/frame interfaces and 29 mm diameter SRAM DUB crank spindles
  • 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
  • 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

Made in USA.

View all Wheels Manufacturing Bike Bottom Brackets

Technical Specs

Item #221238
Best Use


Bottom Bracket Installation

Thread Together

Bottom Bracket Standard


Spindle Interface

No Spindle

Fits Shell Width

61-73 millimeters

Spindle Diameter

29 millimeters


156 grams

Bearing Material

Stainless Steel


Aluminum cups; Enduro ABEC-3 bearings

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