Genuine Onyx lockring for the Ultra SS series of hubs. This is the traditional size of cassette for BMX race hubs. If you have either a Onyx Pro HG or Ultra HG, then you require this lockring.
Thread: 1.72 Inch x 24 TPI (43.69 x 1.058mm)
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View AllOnyx Cassette Lockring / Ultra SS Hub / Black
Genuine Onyx lockring for the Ultra SS series of hubs. This is the traditional size of cassette for BMX race hubs. If you have either a Onyx Pro HG or Ultra HG, then you require this lockring.
Thread: 1.72 Inch x 24 TPI (43.69 x 1.058mm)