BB SET OR8 REVOLVR BB90/95 TO FIT GXP OS THREAD TOGETHER SB BK

Replaces standard BB90/95 press in bearings commonly found on Trek bicycles with a solid, unified thread-together bottom bracket interface
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
Low-friction dual seals protect the bearings from harmful contaminants
Sealed premium bearings are serviceable
Models available for both Shimano HTII 24mm and SRAM GXP 22/24mm spindles
Requires a special tool for installation (J&B# 610756)