The Super B Premium 3-in-1 Gear System Tool combines a chain hook, chain checker and freewheel checker in one tool. It makes it easy to identify the condition of your chain and freewheel, and suits Shimano HG and IG systems.
Knowing whether you need a new chain, or a new chain and cassette, saves money and frustration. This tool answers both questions in seconds.
Three tools in one
Combines a chain hook, chain checker and freewheel checker.
Check chain and freewheel
Easily identify the condition of both your chain and your freewheel or cassette.
Premium Series quality
Part of Super B’s Premium range, built for frequent use and extra comfort.
Suits Shimano HG/IG
Designed for Shimano HG and IG systems.
Frequently Asked Questions
Which systems does it suit?
Shimano HG and IG.
Why check the freewheel as well as the chain?
If the cassette or freewheel is worn, a new chain may skip, so it is worth checking both.
Is it suitable for home mechanics?
Yes. It is simple to use and suits home mechanics and workshops alike.
Item specs
- Brand: Super B
- Model: TB-3327
- Range: Premium Series
- Type: Chain hook, chain checker and freewheel checker
- Compatibility: Shimano HG/IG

























































