Hope 40 T-rex Expander Sprocket

The Hope 40 T-Rex Expander Sprocket is a Shimano or Sram specific 40 tooth sprocket that has been de

The Hope 40 T-Rex Expander Sprocket is a Shimano or Sram specific 40 tooth sprocket that has been designed allowing the benefit that wouldnt be possible with a larger sprocket size or with a universal type design, all you have to do is replace your 17 tooth sprocket with the T-Rex. Hope have precisely matched the tooth profiles and shifting points to work with each specific cassette with perfect mating of support tabs reducing flex and aiding shift performance. Lower B-tension adjustment is ne

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