A bottom bracket that offers bearings with extremely ...
low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Features: Grade 3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Hand built in ...
A threaded bottom bracket that offers bearings with ...
extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Features: Grade 3 Silicon Nitride balls Coated races increase bearing service life by increasing hardness of ...
is exclusively used by Trek's carbon road bikes. This bottom bracket uses Cross/MTB seals to protect from dirt and wear associated with CX and MTB riding. Kogel believes that quality ceramic bearings set ...
Promax EX-1 External Bottom Brackets feature cold-forged and ...
CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget bottom brackets sold with most ...