SHIMANO SM-RT30 External Center Lock Locking Nut
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Description
This Center Lock locking nut SHIMANO with external spline allows you to replace the original part on Center Lock Shimano discs.
This nut allows the clamping of discs on wheels with a 15 and 20 mm thru-axle.
It is installed directly on the hub using an external bearing bottom bracket removal tool of the Shimano type.
Ref: 15028219281788