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The Shimano FC-M361 Inner Chainring and Protector is an essential replacement component for cyclists running 7/8-speed triple drivetrains, particularly those utilizing the Acera groupset. Designed to restore precise shifting and maintain efficient power transfer, this 22T ring offers a durable, factory-spec solution for worn-out hardware. While it provides excellent compatibility with Shimano HG chains, it is important to note that this specific component is only designed for triple chainsets and should be verified against your specific crank model number before installation.
| Model Part Number | Y1KN98010 |
|---|---|
| Brand | SHIMANO |
No, this component is specifically engineered for 7 and 8-speed drivetrains and is not recommended for 9-speed systems.
Yes, you will likely need a crank arm puller and hex keys to remove the crankset from your bicycle to access the chainring bolts.
While it is optimized for Shimano HG chains, it may work with other chains, but Shimano HG is recommended for optimal shifting performance.
The product includes the protector as part of the assembly, which should be secured along with the chainring during installation.
Look for 'shark-fin' shaped teeth or signs of the chain slipping under pressure; both are clear indicators that the ring needs replacement.
Check that the chainring is installed in the correct orientation and verify that your front derailleur limit screws are properly adjusted.
Ensure all chainring bolts are tightened to the correct torque specifications and that the crank arm mounting bolts are secure.
To install this component, you will need a crank puller and a hex wrench set to remove the crank arms from the bottom bracket. Once removed, you can unscrew the chainring bolts to swap the old ring with the new FC-M361 22T unit. Ensure that the chainring is oriented correctly; usually, there is a small marking or pin that must align with the crank arm to ensure correct timing. For long-term care, keep your chain properly lubricated with a bicycle-specific chain lube and clean the ring periodically with a degreaser to prevent grit buildup. Regularly inspect the teeth for signs of uneven wear and replace the chain if it begins to stretch significantly to protect the life of the new chainring.
