Wheels Manufacturing BSA to 30 mm Threaded Bottom Bracket with ABEC-3 Bearings

Color: Black
Size: One Size
Shipping restrictions apply.

Members get an estimated $10.03 (10%) back on this item as a part of your annual .

Members get an estimated $10.03 (10%) back on this item.
To buy,  sign in as an REI Co-op Member or join now.

The solution for running a 30 mm spindle in a BSA threaded frame, this Wheels Manufacturing BSA 30 Threaded bottom bracket with ABEC-3 bearings ensures the smooth, long-lasting application of power.


  • 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 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

Best Use


Bottom Bracket Installation

Threads into Frame

Bottom Bracket Standard


Spindle Interface

No Spindle

Fits Shell Width

68-73 millimeters

Spindle Diameter

30 millimeters


102 grams

Bearing Material

Stainless Steel


Aluminum cups; Enduro ABEC-3 bearings

0 reviews

Loading Reviews...

Questions & Answers

Loading Questions...