Quick Summary
This single-speed chain tensioner is described for use on mountain bikes, folding bikes and e-bikes. It has an aluminium alloy body, a tension spring and a guide wheel. Frame fit depends on having a rear derailleur hanger.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Single-speed chain tensioner and chain guide, described as a derailleur replacement. |
| Frame fit | For frames with a rear derailleur hanger. Check this feature on the exact bike before choosing. |
| Construction | CNC-machined aluminium alloy body. |
| Chain components | Tension spring and guide wheel are specified. |
| Installation tool | The described installation uses a 5 mm hex key. |
What to Compare Before Buying
- Frame attachment: Confirm that the bike has a rear derailleur hanger and that this tensioner is suitable for its exact frame.
- Drivetrain arrangement: The product is identified as a single-speed tensioner. Check that this matches the bike’s intended setup.
- Installation: Check that a 5 mm hex key is available and consult the exact product instructions for any further fitment details.
Compatibility, Size and Fit
The stated applications include mountain bikes, folding bikes and e-bikes, but these categories alone do not confirm fit. The frame must have a rear derailleur hanger; verify the attachment and suitability for the specific bike rather than assuming the fit is universal.
Setup and Correct Use
- Pass the chain through the guide.
- Secure the tensioner with a 5 mm hex key.
- Reconnect the chain.
Use the exact product instructions for any installation details beyond these steps.
Before You Decide
Check that the bike has a rear derailleur hanger, that the single-speed configuration is appropriate, and that the stated installation method suits the intended setup.
