Ultra strong X-shape steel frame Industrial 3-layer coating chrome plate handle bar, seat post and crank arms providing best rust-resistance standing 25 kg (55 lb) chrome plated high density flywheel w/no paint or sticker, showing material perfection and craftsmanship Precision-balanced flywheel and heavy duty bearings providing smooth and vibration-free high speed operation Industrial heavy duty belt provides very quiet and effective pedal response User-friendly tension knob provides wide range of resistance Instant brake system provides quick and easy stop Heavy duty lubricated industrial leather brake pad Permanent clutch Strong and flexible leaf spring for durability Extra thick steel handle bar and seat post for durability and stability, adjusting frontward and backward Unique high-tech seat suspension for extra comfort and weight support Best BMX bottom bracket spindle Transportation wheel for easy movement Investment cast RH-5 PCS crank Self-leveling pedals with toe straps Set-up dimension: L 41.3" x W 24.5" x H 38.2" N.W./G.W. : 114lbs (52kgs) / 128 lbs (58kgs)