The S1 Sport Trainer is our entry level Magnetic Trainer which has a simple fixed resistance mode, and is perfectly tuned for fitness riding. All JetBlack Trainers are pre-assembled and ready to ride! The sealed Magnetic resistance unit on JetBlack’s Trainer provides long lasting, maintenance free training. JetBlack have harnessed the opposing polarity of magnets to provide super smooth and quiet resistance. Using your bike on a JetBlack Trainer means your body position is identical to your race position, making your training as potent as possible.
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