JetBlack M5 - Magnetic Trainer metrocycles2023 - Test and monitor yourself

- Test and monitor yourself with an in built fitness threshold test and training zone calculator

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JetBlack M5 - Magnetic Trainer metrocycles2023 - Test and monitor yourselfJetBlack M5 Magnetic Trainer The JetBlack M5 is a high quality, magnetic resistance bicycle trainer. Magnetic resistance allows fine tuning of your training schedule through the combination of five levels of trainer adjustment and correct gear selection. Where a fluid trainer increases resistance according to the speed of the flywheel, a magnetic trainer can be overridden, making it suitable for recovery sessions, climbing and specifically tailored