Featuring Enduro bearings and silicone seals, this Wheels Manufacturing BSA Outboard Threaded bottom bracket for 29 mm spindles is durable and provides smooth power application.
- 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| Best Use | Cycling |
|---|---|
| Bottom Bracket Installation | Threads into Frame |
| Bottom Bracket Standard | BSA/English |
| Spindle Interface | No Spindle |
| Fits Shell Width | 68, 73 and 100 millimeters |
| Spindle Diameter | 29 millimeters |
| Weight | 102 grams |
| Bearing Material | Stainless Steel |
| Material(s) | Aluminum cups; Enduro ABEC-3 bearings |