Info Installation Instructions Installation Video Specifications These BBInfinite Threaded Bottom Bracket Cups work with all Shimano HollowTech road cranksets on the market, from Tiagra to Dura Ace. This road bike bottom bracket features alloy cups that are MilSpec MIL-A-8625 Type II anodized for extreme durability. Polymer labyrinth seal bearing covers with integrated bushings keep out dirt and debris while isolating the steel bearing races from the steel spindle, halting creaks, corrosion, and accelerated wear of the crank spindle itself. The external cup bottom bracket installs with common socket-style, 16-notch tools such as the classic Shimano TL-FC33, Park Tools BBT-69.2, and many others. Take a look at this threaded GXP bottom bracket cup for road bikes for an option that is compatible with Sram, Cobb, and Quarq cranksets. This BSA English Threaded Bottom Bracket is built for road bike riders who demand consistent power transfer and quiet reliability on every ride. Buy Today! 16-Notch Socket Cup Installation made easy ♥ Fits ALL 16-notch 44mm OD cups. Compatible with ALL BBInfinite Threaded Bottom Brackets: Shimano, Gxp, 30mm, DUB, and M30. Fits 16-notch rotor disc lockrings Made in the USA ABOUT OUR BEARING CHOICES: Ceramitech Bearings: Our Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100 chrome steel bearing races that have been processed with additional heat treatment and polishing steps. The result is a hybrid-ceramic bearing that lasts longer than any steel bearing with spin performance no steel bearing can rival. We’re so confident in the durability of our Ceramitech bearings that we back them with a Lifetime Bearing Exchange warranty. These bearings feature mid-contact seals for extreme performance and endurance. Each bearing comes lubricated with Kluber Isoflex Topas NB52. Lifetime Warranty. WS2 Coated Ceramitech Bearings: We took our amazing Ceramitech bearings and added an extremely durable, tungsten disulfide (WS2) coating that has a 0.03 coefficient of friction---which means it’s slicker than Teflon, graphite, and even molybdenum disulfide. WS2 has an affinity for oils and greases, which means it maintains a hydrodynamic layer of lubricant where it’s needed most. The result is astonishing spin performance and increased endurance. These bearings feature mid-contact seals for extreme performance and durability. Each bearing comes lubricated with Kluber Isoflex Topas NB52 for smooth, reliable performance in your BSA English Threaded Bottom Bracket. Lifetime Warranty. ABEC-7 Steel Bearings: Crafted from SAE 52100 chrome steel, our BBInfinite ABEC-7 (ISO 492, Class 4) bearings are so buttery that you’d have to buy our Ceramitechs to find anything better. These bearings feature mid-contact seals for extreme performance and durability. Each bearing comes lubricated with Kluber or Koyo. 1-Year Bearing Exchange Warranty. Technical Specifications Weight: WS2: 88g | CERAMITECH: 89g | ABEC-7 SS: 91g Frame Width: BSA 68mm English Frame Diameter: 1.37 x 24tpi English Spindle Diameter: 24mm Bearing Size: 6805 Ceramitech 6805 | ABEC-7 6805
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