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)