The solution for running a 30 mm spindle through a BSA threaded frame, this Wheels Manufacturing BSA 30 Threaded bottom bracket with angular contact bearings ensures smooth power to your drivetrain.
- 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| 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 | 100 grams |
| Bearing Material | Stainless Steel |
| Material(s) | Aluminum cups; Enduro Angular Contact bearings |