HubBub Adaptors Features
HubBub Other Shifter Parts- HubBub Other Shifter Parts
- For using drop bars on bicycles equipped with internal gear hubs such as the Rohloff Speedhub, Shimano Nexus, NuVinci 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