Wheels Manufacturing  BSA Outboard Threaded Bottom Bracket for 29 mm Crank Spindles

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Featuring Enduro bearings and silicone seals, this Wheels Manufacturing BSA Outboard Threaded bottom bracket for 29 mm spindles is durable and provides smooth power application.

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Features

  • Compatible with ISO/English or BSA Threaded (1.37 in. x 24 tpi) bottom bracket/frame interfaces and 29 mm diameter crank spindles, such as SRAM DUB
  • Fits frames with 68, 73 and 100 mm shell widths; 33.6 to 33.9 mm shell internal diameter
  • If using in a 100 mm wide shell, Wheels Manufacturing recommends installing the cups without the plastic center sleeve
  • 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 one 2.5 mm, two 0.5 mm and two 1 mm crank spindle spacers; includes 2 Enduro silicone dust seals

Made in USA.

View all Wheels Manufacturing Bike Bottom Brackets

Technical Specs

Best Use

Cycling

Bottom Bracket Installation

Threads into Frame

Bottom Bracket Standard

BSA/English

Spindle Interface

No Spindle

Fits Shell Width

68, 73 and 100 millimeters

Spindle Diameter

29 millimeters

Weight

102 grams

Bearing Material

Stainless Steel

Material(s)

Aluminum cups; Enduro ABEC-3 bearings

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