CeramicSpeed BSA MTB Bottom Bracket - BSA Thread, 73mm, 24mm Spindle, Coated Races, Black

The CeramicSpeed BSA (English) bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.

• Grade 3 Silicon Nitride balls
• Coated races increase bearing service life by increasing hardness of race and reducing corrosion
• Reinforced polyamide cage and non-contact seals
• Hand built in Denmark
• CeramicSpeed products with coated bearings include a 6-year warranty

• Bottom Bracket Shell I.D.: 1.37
• BB/Frame Interface: English
• BB Shell Width (mm): 73
• Weight: 91
• Spindle Interface Type: Shimano Hollowtech II
• Defined Color: Black