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Shimano M8010 Centerlock Lockring for 12/15/20mm Axles

Mfg PartNum:Y2A598030
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Shimano M8010 Centerlock Lockring

CenterLock rotor mounts are our preferred method for attaching rotors to our hubs. It provides even pressure across the disc rotor, so it's less likely to warp due to uneven torque and it's simply faster and easier to install and remove. The XT M8010 Centerlock Rotor Lockring is perfect to keep in the toolbox just in case you might need it on a trip. The lockring is compatible with 12, 15, and 20mm axles and Centerlock rotors and requires an external BB tool to torque the lockring to the hub.


  • Lockring for Centerlock rotors and hubs.
  • Compatible with Centerlock thru-axle hubs and rotors
  • Mfg PartNum: Y2A598030 

    Material: Aluminum 

    Attachment Type: Centerlock 

    Compatibility: 12, 15, 20mm Centerlock hubs, rotors 

    Discipline: commuting, cross-country, cyclocross, downhill, enduro, gravel, mud/sand/snow, road cycling, time trial, trail, triathlon 

    Brake Pad Type: Disc 

    Brake Type: Disc 

    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    Reviewed 4/2/2020
    by Phil
    Portland, OR
    Overall Rating
    1 of 1 customers found this review helpful.
    It works of there's enough space.

    This is exactly what you need to lock a disc rotor on your hub. You need to make sure that there's enough room between the lock ring and the fork. Often you need the thinner version for the fork.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    Reviewed 4/30/2020
    by CycleGeek
    Daily Commuter
    Seattle, WA
    Overall Rating
    This thing is Thick!

    I wish I had read the previous review about needing space on your fork. Indeed I tried this on two separate road bikes and it does not fit either forks. It feels like this will be a super common problem as one of the bikes was a gravel bike with all kinds of clearance for a 2.1 inch tire, but close to the hub there was not enough clearance for this lockring.

    Was this review useful to you? Yes/No
    Thank you for your feedback.

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    *Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 14