JetBlack M5 Magnetic (I think) bike trainer
I receive this as a gift a few years ago and trying to work out which model. It seems to best resemble the M5, however, I have added pics for you to work out. 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 ove