These SRAM BlackBox Ceramic Bearing Pulleys enable you to upgrade your current system to reduce friction, increase stiffness and improve the life of your components. Designed to have a sound dampening effect thanks to AeroGlide technology, for a super-efficient and silent ride experience.
- Sram:
- Click and collect is available on all of our products.
- Collection days / times are subject to the availability of the selected item(s).