Small question about the mounting, as long as it's center lock, are the splines all the same? Can I mount this one instead of the SM-RT30 I currently have? On the picture it's not the same, so I suspect it must be the nut you see on the picture of the others.

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Accepted Answer

There are two variants of the centrelock bolts. One type with internal teeth (see Shimano TL-LR11 lock ring) and one with external teeth (bracket plug). At Galaxus you don't have this choice of locking ring type, even though Shimano apparently doesn't offer both. I received the external toothing version but had the tool with the internal toothing (Shimano TL-LR11 locking ring). I then simply used the old lock ring that my tool fits. Otherwise I would have had to buy another tool.

Answer

With Shimano Center-Lock, the gearing is always the same. This means that all Shimano brake discs with centre lock can be mounted on the hub.

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Question about Shimano Deore SM-RT64

Small question about the mounting, as long as it's center lock, are the splines all the same? Can I mount this one instead of the SM-RT30 I currently have? On the picture it's not the same, so I suspect it must be the nut you see on the picture of the others.