105 CS-R7101

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Light alloy sprocket carrier 12 speed compatible Attributes Cassette Freehub Compatibility HG+ 12sp Road ONLY Cassette Spider Mat. Aluminum Cassette Technology Hyperglide+ Cassette Weight 361g Cog Details 11-12-13-14-15-17-19-21-24-27-30-34 Cog Material Steel Finish Nickel plated Range 11-34T Speed 12 Show more