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The GC 49 cassette extender cog allow you to modify your 11 speed SRAM NX or Sunrace 11-42T cassette f to create an ultra-wide range 11T-49T cassette. To achieve the optimal shifting, the GCs are optimized for SRAM/Sunrace cassettes. Includes 18T cassette cog for optimal gearing in the smaller cogs. GC49 features 7 shift gates for faster shifting.
- Compatible with SRAM NX and SunRace 11-speed cassettes
- Not compatible with XD-style cassettes
This product was added to our catalog on April 25, 2018