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 cranks with 30mm 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
CeramicSpeed products with coated bearings include a Lifetime Warranty
