Quick Summary
The Shimano HG40 is a grey Hyperglide chain for 6, 7 or 8-speed drivetrains. It is supplied with a connecting link, and the chain is recommended for Altus and older Alivio STX drivetrains.
HG technology is described as using chamfered inner plates to support shifting on HG sprockets. The chain is also described as having heat-treated rollers, pins and plates.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Shimano, a recognised name for bicycle drivetrain parts. |
| Model | HG40. |
| Product type | Chain for bicycle drivetrains. |
| Speed compatibility | 6, 7 or 8-speed. Check your drivetrain speed before choosing. |
| Variant | Grey finish. |
| Included item | Connecting link included for joining the chain. |
| Recommended use | Recommended for Altus and older Alivio STX drivetrains. |
What to Compare Before Buying
- Speed compatibility: This chain is for 6, 7 or 8-speed systems. Compare that with the speed count on your drivetrain.
- Drivetrain match: It is recommended for Altus and older Alivio STX drivetrains. Check the exact drivetrain on your bike.
- Included joining method: A connecting link is included, which matters if you want the chain in a ready-to-join format.
- Finish: The chain is grey, so colour can be checked if you want the replacement to match other parts.
Common Buyer Questions
Is the connecting link included?
Yes. The chain comes with a connecting link.
Which speed systems does it fit?
It is for 6, 7 or 8-speed drivetrains.
Before You Decide
Check the speed count on your bike, confirm the drivetrain is suited to this chain, and make sure you want the grey finish and included connecting link before choosing an offer.
