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HubBubTwist Shifter Drop Bar Adaptor
We're sorry, this product has been discontinued.
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For using drop bars on bicycles equipped with internal gear hubs such as the Rohloff Speedhub, Shimano Nexus and SRAM/Spectro models that are available only with twist grip shifters
- Insert into the end of a drop bar to provide a 7/8" (22.2mm) diameter straight extension
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