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The Shimano CN-M9100 chain is a high-performance 12-speed component engineered specifically for mountain bikers who demand precision shifting and long-term durability. It features an extended inner plate design for superior chain retention and SIL-TEC surface treatment for smooth, quiet operation across rough terrain. While it offers industry-leading performance for modern 12-speed drivetrains, it is a non-reusable component that requires specific tools for installation and removal, making it best suited for cyclists who perform their own maintenance or frequent professional workshops.
| Model Part Number | 68.72598 |
|---|---|
| Brand | Shimano |
No, this chain is specifically designed for 12-speed MTB drivetrains and will not function correctly on 11-speed systems.
No, the SM-CN910-12 Quick-Link is designed to be used only once and must be replaced if the chain is disconnected.
The CN-M9100 chain weighs approximately 242 grams.
Yes, it comes from the factory with a light layer of lubricant suitable for immediate use, though you should monitor it closely after the first few rides.
You need a standard chain breaker tool to size the chain, and it is recommended to use the TL-CN10 pliers for connecting and removing the Quick-Link.
SIL-TEC is a surface treatment developed by Shimano that reduces friction and surface wear, allowing the chain to run smoother and last longer.
Verify that your rear derailleur hanger is straight and the indexing is properly tuned for a 12-speed system.
Use the dedicated TL-CN10 pliers to compress the link properly; do not attempt to pry it apart with screwdrivers as this may damage the link or chain.
Ensure that the chain is thoroughly dried and re-lubricated with a bicycle-specific chain lubricant after washing.
Installation of the CN-M9100 is straightforward when using the included SM-CN910-12 Quick-Link. Use a standard chain breaker tool to cut the chain to the appropriate length for your specific frame and cassette size. Once sized, connect the two ends using the Quick-Link. For subsequent maintenance or removal, it is highly recommended to use the TL-CN10 connecting and removing pliers. Because the Quick-Link is non-reusable, you must replace it with a new one every time the chain is disconnected. Keep the chain clean and lubricated with a high-quality dry or wet lube depending on your local climate to maintain the effectiveness of the SIL-TEC coating.
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