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Aluminum gear_QTY (pcs) 11 speed: 4 pcs; Steel gear_QTY (pcs) 11 speed: 7 pcs;. Tighten the locking ring with the cassette installation tool. Every Rainbow Cassette is Unique. Mounting the cassette to the HG hub.

Aluminum gear_QTY (pcs) 11 speed: 4 pcs; Steel gear_QTY (pcs) 11 speed: 7 pcs;. Tighten the locking ring with the cassette installation tool. Every Rainbow Cassette is Unique. Mounting the cassette to the HG hub.