JB M5 – Magnetic Trainer
The M5 Mag model is a high quality, resistance roller
The magnetic resistance allows the tuning of your
training program through the combination of
five levels of adjustment and gears of your bicycle.
Magnetic rollers are ideal for recovery sessions,
training simulations uphill and in particular for
In combination with Jetblack sensors, you can take advantage of
training programs such as those used by athletes
You can upload your training session to Training
Peaks and Strava.
All Jetblack rollers are guaranteed for life.
– Guaranteed for life
– Pre assembled ready for
– Foldable to be
– You can cancel the purchase at any time, just click on "cancel" and you will not be charged anything at the deadline. – The amount that will be put on hold on your credit card will be the starting price but you will be charged the lowest amount reached by the offer when it expires.