Wolf Tooth Bottom Bracket - English (BSA), 68/73mm, For 29mm Spindle, Black
MPN: WBB-BSA-29-BLK · UPC: 810159401302
Wolf Tooth English (BSA) bottom brackets are engineered to be durable, reliable, lightweight, and smooth. The weather sealing is best-in-class, with o-ring seals on the spindle and inner shell, a wiper connection seal between the bearing and end cap, bearing race seals, and a labyrinth end cap design. To prevent creaking, spindle bushings separate the bearing inner race and crank spindle to eliminate metal-on-metal contact. The custom chrome bearings has been hardened for improved durability and reduced friction with ZNA corrosion-resistant coating, while the ball diameter, width, and counts were custom selected by Wolf Tooth for top quality based on spindle diameter. Wolf Tooth bottom brackets are machined at Wolf Tooth in Minnesota, USA.
- ✓ Best-in-class sealing protects bearings from water and trail debris
- ✓ Custom polymer spindle bushings prevent creaking and prolong the life of the crankset
- ✓ Custom AlSl 52100 chrome bearing steel hardened to Rc 61-66 reduces friction for smooth pedaling with ZNA corrosion-resistant coating
- ✓ Adjustable-width shells allow English (BSA) models to fit 68 and 73 mm frame bottom brake shells
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 73 |
| Weight | 87 |
| Spindle Interface Type | SRAM DUB |
| Defined Color | Black |
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