STEX S25U Upright Bike S25-series

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For comfort and ease of use, the S25U series of bikes features an ergonomically designed seat with gas assisted adjustment which will keep your exercisers working-out at your fitness facility. Designed with a new and simple seat adjustment, the powerful performance will give you a totally new experience.

Convenient Seat Adjustment

  • Caused by a Gas spring seat adjustment.
Ergonomic Saddle Adjustment System


The first of its kind in Korea, the saddle adjustment system uses a gas cylinder (standing) with narrow intervals, which provide comfortable exercise adjustment to the physical conditions of the user.

  • White FND + Alpha Numeric (16ea)
  • 8×16 DotMatrix, 2FND, 12Blue LED Indicator


User workout information:

  • Time / remain time / PACE
  • Kcal / Kcal per Min. / Watt
  • H/R / METS / VO² Max
  • Distance / remain distance / speed


Workout program
  • Fast Track Control
  • On the fly Programming
  • 16 Preset Programs
  • User defined Programs
  • Heart Rate Control Programs
  • Fit Test Program
  • Time Control Programs
  • Cool Down Function
Driving System
  • Electrical resistance control
  • HYBRID CONTROL; charge your mobile while working-out
  • Self Powered

Heart RateIntelligent Touch Heart Rate System(Dual) & Wireless Heart Rate Receiver (Polar)



  • 3 Years for all components
  • 7 years for Steel Frame

Firmware Upgrade:

  • Easy firmware upgrades are possible via STEX technical support


  • RS-232, CSAFE (Power Only)

SpecificationsMax. User Weight:




Cup Holder, Reading Rack, Accessory Tray

Size(cm) Weight Resistance
L W H    
122,5 61,0 148,0 55 kg 20 – 500 Watt (25 levels)
More Information
Manufacturer STEX
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