T47 Inboard Bottom Brackets - Bottom Bracket - Bottom Bracket

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Wolf Tooth T47 Inboard 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 i nner 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 T47 internal models will fit 85.5 and 92 mm wide frame bottom bracket shells Show more