1. spining bike 2. chain drive system 3. double way flywheel 18KG 4.aluminum pedals with toe cages5. with bottle 6.computer display sacn,time,speed,distance and calories  7.adjustable seat height and length 8.adjustable handle height   9. tension contrilnon-slip foam handle bars  10.the maximum weight of user 125 kgs  11. N.W：40 kg  ，G.W：45 kg