105 CS-R7000

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The 3 largest cogs are riveted on an aluminum spider Nickel plated finish Steel lockring 12-25, 11-28 and 11-30 are compatible with SS rear derailleur 11-32 requires GS rear derail leur Weight: from 269g (12-25) to 320g (11-32) Attributes Cassette Spider Mat. Aluminum Cassette Technology Hyperglide EV Cog Material Steel Finish Nickel plated Speed 11 Show more