The JetBlack WhisperDrive is the first direct-drive indoor trainer compatible with 12x142mm thru-axle bikes.
– Direct drive, of course, means your bike connects directly to the trainer, rather than your rear wheel turning a roller. The WhisperDrive is sold with a SRAM/Shimano 10/11x Freehub Body. If you have an 11-speed mountain bike with SRAM groupset and want to train on the WhisperDRIVE indoor trainer you’ll need to purchase the specific JBT-75C XD Driver Freehub Body.
Specifications:
– Designed specifically for use on the JetBlack WhisperDrive Indoor Trainer
– Suits SRAM 11 Speed MTB Cassette equipped bike
– Converts WhisperDrive Freehub Body to SRAM 11SP
– Weight: 79g












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