BBT-79.3 Bottom Bracket Tool External type Adapters and its tire bed is

and its tire bed is a full 7mm wider

New shape for improved thigh clearance and rider movement

Mud shedding design rotor blade

The tool case also comes equipped with a built in bottle opener for those post ride refreshments

“The new RX600 offers even more riders SHIMANO’s signature performance and fit for gravel rides

BBT-79.3 Bottom Bracket Tool External type Adapters and its tire bed isA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 12 notch tool fittings, including SRAM BSA DUB, Race Face Cinch, Rotor BSA30, and others. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. The BBT 79. 3 features integrated threads for full compatibility with the Park Tool BBT RS Bottom Bracket Tool Retaining