- Thread-together bottom brackets provide a secure and stable shell interface for smoother operation and extended bearing life
- OS versions are designed for use in frames with worn-out, oversized bottom bracket shells
- Hybrid AL6061/Nylon fiber cups for a superior fit and noise free operation
- Low-friction dual seals protect the bearings from harmful contaminants
- Sealed premium bearings are both serviceable and replaceable
- Models available for both Shimano HTII 24mm and SRAM GXP 22/24mm spindles
- Replaces all standard BB86/92 press-fit bottom brackets
- Origin8 Nylon composite BB tools are recommended to avoid the possibility of damaging the cups