Feedback cassette plierswhen combined with feedbacks cassette lockring wrench these nifty self adjusting cassette pliers allow for easy cassette and cog removal the forged steel jaw and handles are equipped with a clever sliding and locking mechanism and comfortable rubberised polymer grips these pliers are compatible with up to 23 tooth cogs and cassettes from 1 12 speeds featuresself adjusting for quick fitcompatible with multi gear cassettes 1 to 12 speedfile tread gripforged steeldimen