Roulements+joints pédalier ENDURO BEARINGS Bearing for use on Hollowtech bottom brackets - will fit straight on to the Hollowtech II axle. Enduro Abec 3 Specification: Rubber seals - usually blue: - "LLB" is a double-lip type seal making light contact and also rides in a groove making a labyrinth seal.
Grade 10 Chromium Steel Balls: High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level. 52100 High Carbon Chromium Alloy Races: Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement. Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance Poids : 30 gr Dimensions : 24 x 37 x 7mm |