Sigeyi |SIGEYI "SACS" Single Arm Cage System - GRX
Color: black
Overview
The SACS is SIGEYI's answer to oversized pulley cages[split]
SACS system
Model: SACS-GRX
Compatibility: Shimano GRX RX810/815 rear derailleur
The SACS-GRX has all the same components as SACS-SHR except for the cage axle
