Kmc Chain Link 9 Speed 6.6Mm
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KMC Chain Link 9 Speed 6.6mm
What Is It?
The KMC 9-Speed 6.6mm Chain Link / MissingLink is a replacement quick-release connector for joining compatible 9-speed bicycle chains. It allows the chain to be connected and disconnected without using a conventional connecting pin. KMC specifies the CL566R for KMC, Shimano and SRAM 9-speed chains.
Key Features
- 9-speed chain compatibility
- 6.6mm pin length
- Reusable MissingLink design
- Non-directional design for easy installation
- Tool-free chain connection
- Suitable for road, MTB, touring and cyclocross bikes
- Compatible with KMC, Shimano and SRAM 9-speed chains
Specifications
| Specification | Details |
|---|---|
| Product | KMC MissingLink 9-Speed |
| Speed | 9-speed |
| Pin Length | 6.6mm |
| Type | Quick-release chain connector |
| Compatibility | KMC / Shimano / SRAM 9-speed |
| Reusable | Yes – CL566R |
| Colour | Silver |
| Application | Road / MTB / Touring / Cyclocross |
KMC's current CL566R is the reusable version. KMC also offers CL566e specifically for e9 chains, which is non-reusable, so the exact version should be checked when replacing a link.
Benefits
- Easy installation: Connects the chain without a traditional chain pin.
- Convenient maintenance: Allows the chain to be opened for cleaning or servicing.
- Emergency spare: Small enough to carry on rides as a replacement link.
- Reliable connection: Designed specifically around 9-speed chain dimensions.
- Broad compatibility: Works with compatible KMC, Shimano and SRAM 9-speed chains.
Important: The 6.6mm specification is for 9-speed chains. Do not substitute a 7/8-speed link, which uses a wider specification. KMC recommends replacing reusable MissingLinks after repeated opening/closing rather than using them indefinitely.
