HSC External Road Bottom Bracket

Article number: 010-04-01
Availability: In stock (8)

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 .

The New Dub BB's come with their own Tool for installation.


Weight 84 grams
Cup Material aluminum
Bearing Material Si3N4 ceramic hybrid
Bearing Size 6805w6 (2)
Crank Compatibility Shimano Hollowtech II
Shell Compatibility BSA/ISO 1.375" x 24tpi
Italian 36mm x 24tpi
0 stars based on 0 reviews