(1)seat pad:design changing for left,right,front and back,satisfy with the requrements for the trainers of different figure,supply the best action conditions,the feeling of spining button is comfortable,brake by press down in the designing with action degree (2)reducing shake spring:professional spring(650LBS) with aluminium alloy (3)adjustable handle:new good feeling handle pad,can adjust for left,right,front and back.(4)pedal:professional competition pedal, adjust the shoelaces prevent to move,to sure the best effect in  riding(5)inertia wheel: 22KGS(48LBs) show the best effect in the load speed(6)self of water cup:aluminium alloy,rubby,blue oxidation,high status fashion(7)transmission department:8 slots durable belt of high intension,close inward axletree,no noise,double direction transmission designing(8)this bike is not electric, programmable and has a fan.packing dimension:1040*270*1020  extention dimension: 1180*1130*610   net weight:68kgs  gross weight:75kgs