3.4g Aluminium Cassette Lock Ring | Shimano HG+, Hyperglide, 11 & 12-Speed

Aluminium Cassette Cover/Lock Ring for Shimano HG Hub Shells / Cassettes.

Made using 7075-T5 Aluminium, this lock ring is lighter than stock Dura-Ace Cassette Lock Rings (3.4g vs 5.5g)!

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Specifications

3.4g/pc vs Dura-Ace: 5.5g/pc

Required Tool: Shimano Cassette Tool

Recommended torque: 35-40Nm

Thread length: 5mm

Thread diameter: 30.5mm

*Important Note: Individual wheel hub thread tolerances may differ; over-tightening may result in damage to the aluminium thread.

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FAQ

Why is this product partially threaded compared to the stock part?

Because there is a space between the hub shell thread and the smallest cassette tooth. Having threads in that empty space does not serve any purpose; hence, this product is designed with only the necessary threads required.

I can't tighten the lock ring much by hand. Is something wrong?

Firstly, ensure the lock ring is inserted correctly and not cross-threaded. If the lock ring is inserted properly, then yes, it may feel harder to turn compared to the stock part. This is normal. Please use the cassette tool to tighten to 25Nm. After this, the lockring will be easier to tighten/loosen by hand should you remove it in the future.

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Compatibility

For Shimano HG+/HG Cassettes (11 and 12-Speed)

NOT Suitable for SRAM XDR Hub/Cassettes

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Links

Check out our 72g super lightweight rotor HERE

For outer spline version: Click Here!

Titanium Cassette Cover HERE

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Disclaimer
*Cassettes and other components in the pictures are not included