CeramicSpeed BB ALPHA Bottom Bracket – English/BSA, 73mm, For 24mm/ Spindle,
A bottom bracket built to outlast your frame – BB ALPHA features hardened stainless-steel races hand-built with grade-3 Silicon Nitride ceramic balls, custom-engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra-low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty.Comes with CeramicSpeed UFO Long Life grease (5ml). Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand-built grade-3 Silicon Nitride ceramic balls. Internal ball bearing race has been redesigned.
Wolf Tooth Purple BSA Bottom Bracket – Durable Sealed English (BSA) for 68/73mm
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.
CeramicSpeed Alpha Gravel BSA Threaded Bottom Bracket | Low-Friction,
Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime. Covered by a lifetime warranty . Developed to improve upon the original CeramicSpeed BB, with every design element isolated, analyzed, and refined—each part carefully evaluated for opportunities to increase performance. 10% lighter . DUB specific cups for right setup with less spacers. Stainless steel races for longer durability. Refined light contact seals for 500% increased contamination protection without additional drag. Improved dustcover design for increased longevity and reduced maintenance. External BSA, English threaded bottom bracket. Road: Allround Grease. Gravel and MTB: Longlife GreaseComes with CeramicSpeed UFO Long Life grease (5ml). Hardened Stainless Steel.