Thread-together bottom brackets provide a secure and stable shell interface for smoother operation and extended bearing life
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
Designed for installing Shimano HTII 24mm, SRAM GXP 22/24mm, or DUB spindle cranks into BB386 frames without the need for adapters
Origin8 Nylon composite BB tools are recommended to avoid the possibility of damaging the cups
