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




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- 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| Best Use | Cycling |
|---|---|
| Bottom Bracket Installation | Threads into Frame |
| Bottom Bracket Standard | BSA/English |
| Spindle Interface | No Spindle |
| Fits Shell Width | 68-73 millimeters |
| Spindle Diameter | 30 millimeters |
| Weight | 102 grams |
| Bearing Material | Stainless Steel |
| Material(s) | Aluminum cups; Enduro ABEC-3 bearings |
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