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

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

Bottom Bracket Installation

Bottom Bracket Standard

Spindle Interface

Fits Shell Width

Spindle Diameter

Weight

Bearing Material

Material(s)

Cycling

Threads into Frame

BSA/English

No Spindle

68, 73 and 100 millimeters

29 millimeters

102 grams

Stainless Steel

Aluminum cups; Enduro ABEC-3 bearings