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Hsc External Road Bottom Bracket


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Product Description

HSC's external, threaded bottom brackets are equipped with high quality ceramic bearings for superior smoothness, better performance, and longer life than manufacturers' stock bottom brackets. The aluminum bearing cups are forged and CNC machined, then anodized in a plethora of colors.

These bottom brackets are available for either English (BSA/ISO) or Italian threaded frame shells, with options for Shimano's 24 mm Hollowtech II cranksets, or SRAM's stepped 24/22 mm GXP cranksets.

Installation / Assembly

HSC Bottom Brackets may be installed using any Hollowtech II compatible tool, such as the Park Tool BBT-9 .

Product Specifications

Weight84 grams
Cup Materialaluminum
Bearing MaterialSi3N4 ceramic hybrid
Bearing Size6805w6 (2)
Crank CompatibilityShimano Hollowtech II
Shell CompatibilityBSA/ISO 1.375" x 24tpi
Italian 36mm x 24tpi

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