SRAM
Red GXP BlackBox Ceramic Bottom Bracket - Italian Thread

SRAM's new hybrid Ceramic BB Bearings exceed the needs of even the most demanding riders.

• Ceramic bearings offer a performance advantages over traditional bottom bracket bearings. Besides being 10% lighter than standard bearings, ceramic bearings require an 78% less energy than the next most efficient BB on the market.
• Ceramic bearings are more resistant to dirt and moisture and, when properly maintained, will outlast and outperform any other BB on the market. They utilize a lighter-than-normal seal along with stainless steel races and high-polish cups.
• Sealed ceramic cartridge bearings
• Light and durable
• Total of 8 Seals
• Easy maintenance and installation
• Weight - 114g