The Super B Chain Checker & Hook is a precision, laser-cut stainless steel tool that quickly shows chain wear and stretch. It suits all bicycle chains from single speed to 12 speed and has a built-in chain hook.
A stretched chain quietly wears out your cassette and chainrings. Checking it regularly lets you replace a cheap chain before you have to replace expensive gears.
Quick, accurate check
Shows the wear and stretch of your chain in seconds.
Single to 12 speed
Compatible with all bicycle chains from single speed to 12 speed.
Stainless steel
Laser cut from stainless steel for accuracy and corrosion resistance.
Chain hook built in
Holds the chain ends together when assembling or breaking a chain.
Frequently Asked Questions
When should I replace my chain?
Super B suggests replacing the chain when it is between 0.75% and 1% worn.
Will it work with 13 speed chains?
It is designed for single to 12 speed chains.
What is the hook for?
It holds the two chain ends together so they are easy to join.
Item specs
- Brand: Super B
- Model: TB-3326
- Type: Chain checker with chain hook
- Material: Laser-cut stainless steel
- Compatibility: Single speed to 12 speed chains
- Replacement guide: 0.75% to 1% wear


















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