Don't think there is a Shimano or SRAM one - it just extends the distance of the hanger therefore moving the top jockey wheel further away from the cassette. Run mine for over a thousand miles with no issues
Sweet rig
thanks!
@onyerbike started
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Don't think there is a Shimano or SRAM one - it just extends the distance of the hanger therefore moving the top jockey wheel further away from the cassette. Run mine for over a thousand miles with no issues