Merrick k20 is worth buying. Merrick k20 intelligent home elliptical machine, 32-speed electromagnetic resistance control, 10KG bidirectional silent flywheel, small size of 0.89m2, MERIT live course, it is worth buying. Merrick k20 is a vertical magnetic control exercise bike owned by merrick, with maximum load 120(kg) and specifications (length * width * height): 175*62* 145(cm).