The CeramicSpeed T47/86 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.

• Allows you to install SRAM DUB road cranks with 28.99mm spindles into a T47 shell
• Compatible with 86mm wide frames, and also compatible with TREK T47 85.5mm wide frames
• Grade 3 Silicon Nitride balls with coated and hardened steel races
• 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
• Spindle Interface Type:SRAM DUB
• BB Shell Width (mm):86
• Bottom Bracket Shell I.D.:47
• Defined Color:Black
• BB/Frame Interface:T47