This ProMediaGear L-Bracket has been designed specifically for Canon R5, R6 and EOS-R with Battery Grip

This bracket has the SS2 port. 

Weight: 6oz
Dimensions: 3.75 x 1.5 x 3.25 in (9.5 x 3.8 x 8.3 cm)

Features:
Custom Designed to fit specifically for Canon R5 and R6 with BG-R10 Battery Grip
Slide out vertical Piece allows for easy port access
Efficiently swap between portrait and landscape orientations
Captive 1/4-20 Camera Mounting screw with Integrated Magnetic Allen Wrench Storage
Two safety stops in vertical and horizontal surface
Compatible with Arca-Swiss style tripods, mono-pods etc.
Easy battery access
Centering Lines for Easy Panorama shooting
Machined aircraft aluminum construction using CNC precision machine
Additional 1/4-20" for attaching straps etc.
Integrated SS2 or QD port for Shoulder Straps
Side Ports compatible with Cable Port Protectors (sold separately)
MADE IN USA
What's Included:

L-Bracket
Removable strap loop
Allen wrench 5/32 inch, for camera mounting, and other for stop screws.