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Marcy Onyx B80 Upright Exercise Bike

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Awarded the Best Value Weight Training Equipment Category 2020 by Women's Running

Marcy Upright Bike Onyx B80 Key Product Features:

  • Non-Slip Pedals with Adjustable Straps
  • Large seat: 25 cm x 23 cm & Towel Rack at rear
  • Integrated Tablet & Phone Holder on the console
  • Silent & Smooth magnetic adjustment system – 16 levels
  • Handlebar angle adjustable to suit your biking style & feel
  • Read time, speed, distance, kcal., RPM, pulse, recovery, BMI
  • 23 workout programs: 13 pre-set, 5 heart rate, 4 user, 1 manual
  • Flywheel Weight: 5 kg
  • 2-year warranty
Your home fitness salvation has landed, in the form of the ultra-sleek Onyx B80 Exercise Bike. Cardio training is noted as notoriously tedious and dull, Marcy’s Onyx range is designed to put an end to this.

Keeping you focused and motivated is key, 23 engaging programs can have you tackling hills one day and sweat dripping endurance challenges the next, with 16 levels of difficulties to harmonize with any fitness level. In conjunction with this, you can prop your phone or tablet on the console holder and blitz your workout in a flash.

Uncompromising quality is equally as important to consistent use. Onyx adapts perfectly to your body composition, thanks to comprehensive seat adjustments combined with pedal and handlebar ones. The formula of a 5 kg flywheel, 3-piece crank, one-way bearing and solid black coated steel equals a smooth, reliable, robust fitness companion.

More Information
Designed For Indoor Use
Self Assembly Time Yes (1-2 Hours)
Bike Type Upright Bike
Brand Marcy
Product Code NS-4080UA(B80)
Barcode 5060447872696
Condition New
Maximum User Weight 120 kg / 264lbs / 18.9 Stone
Dimensions Length: 87 cm x Width: 50 cm x Height: 138 cm
Boxed Dimensions Length: 92 cm x Width: 28 cm x Height: 59 cm
Exercise Type Cardio
Goal Weight Loss
Target Muscles Lower Body
Colour Black
Resistance Type Magnetic
Resistance Levels 16 levels magnetically adjusted, from light to heavy difficulties
Flywheel 5kg
Crank Arm 3-Piece
User Programmes 13 (Steps, Hill, Rolling, Valley, Fat Burn, Ramp, Mountain, Intervals, Random, Plateau, Fartlek, Precipice Program)
Workout Programmes 23
Console Features Clear LED blue backlit display
Display Feedback Scrolls through time, speed (KM/Mile), distance (KM/Mile), calories (kCAL), RPM, pulse rate, recovery, body fat
Heart Rate Measurements Hand grips
Seat Adjustment Horizontal & Vertical
Seat Type Standard
Pedals Slip Resistant & Counterbalanced
Framework 14-Gauge Thick Solid Steel
Transport Wheels Yes
Unique Features You can create 4 of your own workouts and save them; Tablet and phone holder
Warranty 2 years

Free Delivery to UK Mainland. On Everything. No Minimum Spend.

Please note that there are a few postcodes which are not included within Mainland UK and these postcodes are subject to additional delivery charges:

BT, HS, IM, IV, KA, KW, ZE, PA20, PA42, PA41, PA43, PA44, PA45, PA46, PA47, PA48, PA49, PA60, PA61, PA62, PA63, PA64, PA65, PA66, PA67, PA68, PA69, PA70, PA71, PA72, PA73, PA74, PA75, PA76, PA77, PA78, PH41, PH42, PH43, PH44, PH49, PH50, TR22, TR21, TR23, TR24, TR25, JE

If you would like to view our full delivery policy please have a look here


  • You (The Customer) have a 14-day cooling-off period from the day your order has been delivered by our courier under the 2013 Consumer Contract Regulation
  • A Return Request Form is required to be completed and submitted through the PureTec Website for returns to be accepted
  • Once our customer service team receive your return request, you will receive an email confirming we have received your request, and will send you a Return Merchant Authorisation Number (RMA)
  • All products need to be returned in their original packaging; any products returned not in their original packaging may be subject to a product package fee
  • When Goods are received, they will be inspected by our team, and if they are not in Good as new condition, you (The Customer) may occur additional charges
  • We must receive the item being returned within 14 working days from the date the Return Request form being submitted
  • If you reject an order for any reason, except for damage reasons, then a fee will be applied for your order to be re-dispatched or returned to us
  • We advise our customers to retain the original packaging for at least 14 days in case an item or the order is returned to PureTec

If you would like to review our full 14 day return policy please click here