flywheel:18kgs,two-way,with protecting guard for handlegrip and shock absorber,safety braking system,full-active in ... ) Model no: AMA-912M 2) Article name: 18kgs of flywheel racing exercise bike for commercial use3) main body: gray N.W: 54 ... ) 5) Flywheel: 18KG, 465mm, two-way6) Max.Load: 150KG7) Window display: scan, time, speed, distance, calorie8) Packaging detail: 1SET/1CTN ; 116 ...