Bison exercisers (Bison-1M, Bison-2 and special series exercisers) have friction elements inside. During the workout they tend to loose some part of ability to create tension. In this situation they needs to be replaced.
Please fill out all order form fields to order exerciser.
Should you find any manufacturing defect within 1.5 years after the exerciser delivery, it will be repaired or replaced free of charge.