Flow Fitness

Flow Fitness B3i Upright Bike

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The Flow Fitness B3i Perform Commercial Upright Bike is a serious bike for serious users. With a massive 69 electro magnetic resistance levels this bike will challenge the keenest cycling athlete. However with its step through design and very low starting resistance the Flow Fitness B3i is perfect for commercial and rehabilitation environments. For the home this bike is perfect. With its extensive adjustment options to its large padded saddle which include vertical and horizontal adjustment, plus further adjustments to its handle bars the B3i allows users of all shapes and sizes to use the bike in supreme comfort. Yet it is tough enough to be used in commercial environments with around 300 members. We don’t know of any bikes on the market today that could cover such a large range of applications at the price of the B3i. However it doesn’t stop there. With its easy to read display and Flow Fitness’s intuitive SmartWheel control, the bike is very simple to operate. It provides 24 unique programmes to keep everyone who uses this bike motivated and its 15kg flywheel guarantees a smooth pedalling action through all 24 programmes and 69 resistance levels. Heart rate monitoring can be achieved using the hand grip pulse sensors (telemetric heart monitoring with optional chest strap). Finally with  a maximum user weight of 23.5 stone (150kg) this bike takes some beating.


  • Low entry Frame
  • Total programmes: 24
  • Smooth and silent electro magnetic resistance 
  • Resistance controlled by the computer
  • Resistance levels: 69
  • Large LCD display with SmartWheel
  • USB charging point
  • Tablet holder
  • Bluetooth
  • Vertical and Horizontal seat adjustment
  • Hand grip pulse
  • Telemetric heart rate monitoring with optional chest strap
  • Platform pedals with quick-adjust straps
  • 15kg Flywheel
  • Water bottle
  • Transport wheels
  • Size L x 113.5cm W x 55.5cm H x 145.5cm (44.7” x 21.9” x 57.3”)
  • User weight 23.5 stone (150kg)


  • 5.5" (14cm) LCD display with SmartWheel, large numerics, USB charging port, tablet holder, programmes, Bluetooth 4.0 
  • Display:
  • Time
  • Distance
  • Speed
  • Heart Rate
  • Calories
  • RPM


  • Manual
  • 12 x Pre-set
  • 3 x Heart Rate Control
  • 4 x User Programme
  • Target Heart Rate
  • Constant Watt
  • Recovery Test
  • Body Mass Index Analysis
  • APPS
  • Kinomap
  • iConsole+
  • Zwift


  • Electro magnetic resistance 
  • Resistance controlled by the computer
  • Low Entry Frame
  • 15kg Flywheel
  • Size L x 113.5cm W x 55.5cm H x 145.5cm (44.7” x 21.9” x 57.3”)
  • User weight 23.5 stone (150kg)
  • Product weight 43kg


Home Use: Lifetime Frame, 6 Years Parts, 1 Year Labour

Commercial Use: 5 Years Frame, 2 Years Parts, 1 Year labour

Free Delivery Options

Two Man delivery on this product - due to heavy weight (we will call you to arrange a suitable date)

Installation Service

Installation service available - click for details

Confused by all the options? Call the store FREE on 0800 4580 081