Info Installation Instructions Video Specifications Spacers The BBInfinite OSBB MTB Bottom Bracket works with all 30mm spindle MTB cranksets on the market, such as the stock FACT crankset, RaceFace Next SL, and Rotor REX, just to name a few. Our specialized OSBB bottom brackets ship with the special press tools and retaining compounds you'll need. All you need is the press for this mountain bike bottom bracket. 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. 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. MORE THAN EXTREME SPEED AND SILENCE: BBInfinite bottom brackets for 30mm spindle crank sets maintain optimal chain-lines for crisp, consistent shifting and drivetrain performance while dishing out trouble-free mile after trouble-free mile. From the gorgeous, high-luster of our TypeII MilSpec hard anodized finish to the sculpted lines of our One-Piece design that unitizes the bottom bracket structure to eliminate all potential creaks before they start, every aspect of our arcitecture fuses beauty with durability and performnace. Our 30mm spindle optimized design is set to the widest stance the crank set allows while ensuring that interfaces between crank arm splines and spindle splines have maximum engagement and Q-factor is set as narrow as possible. POWER METER FRIENDLY All BBInfinite bottom brackets for 30mm spindle crank sets are 100% compatible with all crank-based power meters. Our flange-less drive-side arcitecture ensures zero interference with protruding power-meter back plates such as those found on Quarqs and SRMs. WHY DO BBINFINITE BOTTOM BRACKETS SPIN LIKE CRAZY?: Bicycle frame bottom bracket shells are notoriously misaligned, inconsistent, and out of round, and so it’s inadvisable to use the bike frame as the primary aligning member for bottom bracket bearings. Yet, that’s what our multi-piece bottom bracket competition does, and this explains why their systems frequently fail prematurely and creak. A BBInfinite OPD (One-Piece-Design) bottom bracket module is a CNC precision-machined hub---like the front wheel hub on your bike---that you press into your frame. And just like your trouble-free wheel hub, BBInfinite OPD bottom brackets have perfectly aligned bearings regardless of your frame’s BB shell alignment and tolerances. Perfectly aligned bearings are essential for thousands of miles of trouble-free use and extreme spin performance. WHAT KEEPS BBINFINITE BOTTOM BRACKETS FROM CREAKING? BBInfinite OPD is the answer for creaking bottom bracket problems as well. Pedaling forces conspire to lever, and rock, and eventually work multi-piece systems loose. The unitized nature of BBInfinite OPD cancels these forces out entirely, which means creaking has no place to start in the first place. It really is that simple. INSTALLATION IS A SNAP WITH BBINFINITE: Every BBInfinite module ships with the special press tools, hardware, instructions, and the retaining compound you need to get the job done correctly with ease and confidence. All you need is the press for this road bike bottom bracket. If you need a press, check out our Master Tool Press. Technical Specifications Weight: WS2: 97g | CERAMITECH: 99g | ABEC-7 SS: 104g Frame Width: 73mm Frame Diameter: 46mm Spindle Diameter: 30mm Bearing Size: 6806 Ceramitech 6806 | ABEC-7 6806 Spacers Stack for OSBB-PF-MT OSBB-PF-MT MTB Crank Spacer Chart Crank Length(mm) Spacer SKU 110.75 Spacer-9.75MM-SET 116.25 Spacer-12.5MM-SET Bearing Pre-load Explained Why Most Pressfit Fails One-Piece To The Rescue
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