Wheels Manufacturing BSA to 30 mm Threaded Bottom Bracket with Angular Contact Bearings

Features

• Compatible with ISO/English or BSA Threaded (1.37 in. x 24 tpi) bottom bracket/frame interfaces and 30 mm diameter crank spindles
• Not compatible with crank spindles less than 104 mm long
• Measure your overall spindle length with all spacers and adjusters removed, starting from the inside face of the crank arm and measuring to the very end of the spindle
• Fits frames with 68 to 73 mm shell widths; 33.6 to 33.9 mm shell internal diameter
• Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
• Enduro Angular Contact sealed, grade 5 chromium-steel ball bearings provide smooth, long-lasting operation and are well-suited for carrying combined axial and radial loads
• 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

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 millimeters

30 millimeters

100 grams

Stainless Steel

Aluminum cups; Enduro Angular Contact bearings