JetBlack WhisperDrive Boost Adapter

The JetBlack Boost Adapter allows you to use a bike with BOOST hub spacings on the JetBlack WhisperDrive trainer.

Simply insert the spacer between your frame or cassette and the trainer frame, attach with your thru axle and off you go!

Features

• Part number: JBT-88
• Adapter to use BOOST frames with JetBlack WhisperDrive trainers