BB30A is an asymmetric standard that is 42mm x 73mm. It is exclusively used on Cannondale Bike frames.
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6806 (61806) BB30 bearings commonly used in bicycle bottom bracket Applications. These bearings are genuine branded bearings from SKF, NTN, Koyo, NSK or FAG/INA.
This bottom bracket is designed to interface a Shimano 24mm Hollowtech 2 Crankset (Sora, Tiagra, 105, Ultegra, Dura Ace) and Shimano Compatible (Some ROTOR and FSA) 24mm Cranksets with a bike frame that uses a BB30A Bottom Bracket (42mm Nominal Inside Diameter x 73mm wide). This type of Bottom Bracket is almost exclusively used on Cannondale bikes (CAAD and Synapse).
NTN 6806 LLB 30x42x7 Ultra Low Friction Seal Genuine Bearing,
Genuine Smalley Snap Rings designed for use in BB30, BB386 (NOT EVO), BBright Direct Fit bottom brackets. These units do not have eyelets so they will not foul the bearing seals Genuine Smalley Snap Rings Cannondale Specification OEM Part Stainless Steel Requires no special tooling to install or Remove Hambini Recommended part for BB30 installations….
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