Feedback Sports Cassette Pliers are so user-friendly, removing your cassette to service bearings, clean your gears or replace a worn drivetrain is so quick you’ll never hesitate to tackle the task. These innovative, self-adjusting pliers confidently grab any cassette cog up to 26T, on any drivetrain from 1-12 speeds (including track cogs). The long-handled, ergonomic grips manage the most challenging cassette removal with precision and confidence. Cold-forged, hardened CRV tool steel arms put these Cassette Pliers in a category all their own. Perfect for learning bike maintenance, or for veteran mechanics.