this bike has not even been used a week perfect condition the only thing when I put it together 2 of the bolts and nuts that hold on the rails for ur hands was not there so got a couple bolts and nuts and couple washers and it works perfectly the seat u can raise or lower it has the readings for ur pulse calories scan speed time distance has button to put ur thumb on tells u ur pulse has workout levels 1 or 2 has lights to tell u to go faster or slower has knob u turn to increase or decrease the tension of the peddles the machine is awsom paid over 100.00 for it.