Black-bearing Bearing Black Bearing Ceramic 6900-2RS 10 X 22 X 6 Mm

Black Bearing bearings are “hybrid” bearings, more commonly known as “ceramic”.
These bearings meet the constraints of cycling (Road, MTB, CLM, Cyclo Cross…) and are used for wheels, crankset, derailleur rollers…

The + products:

• Weight gain (density of ceramic < that of steel)
• Resistance to very high speeds
• Much longer life (several times that of a standard)
• Less friction = less pedaling loss
• Better stiffness
• Better accuracy
• Better mechanical characteristics (hardness, resistance to compression, etc.)

Details:

• Dimensions: 10 x 22 x 6mm
• Inner and outer rings in treated stainless steel for better mechanical resistance.
• Silicon nitride balls
• steel cage
• Specific low friction seals for water and dust tightness (2RS)
• Grease specially adapted for ceramic bearings
• Sold individually

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