TB-FW40 PAT.

Cassette pliers

Super B patanted to secure the cassette by one hand easily and quickly.
Adjustable opening so it is suitable for sprockets with cogs from 10-17 teeth, compatible for 5-11 speed.
Fixed with a spring to lock the sprocket fast and firm without slipping away.
Prevent the sprocket deformed and protect your hands from injuries while using.