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FMI Fitnex X5 Kids Exercise Bike | Ages 5–12 | Adjustable Resistance | Compact Design | Quiet & Safe

Sale price$799.00

Description

Summary

Child-sized stationary exercise bike with enclosed flywheel, adjustable resistance, and LCD display for ages 5–12 under active adult supervision.

 

Overview

The FMI Fitnex X5 Children’s Stationary Exercise Bike helps kids stay active in a safer, scaled-down format. The steel frame, enclosed 15 lb flywheel, and belt drive give a smooth pedal motion sized for young riders. An adjustable seat and resistance knob let adults set fit and effort for each child. The simple LCD console shows time, speed, distance, and estimated calories so kids see their effort while they ride under supervision.

 

Set Components

  • Fitnex X5 children’s exercise bike
  • Assembly hardware
  • User manual

 

Installation and Setup

  • Place the bike on a stable, level floor
  • Leave clear space around the 32 by 20 inch footprint
  • Choose a cool, ventilated area with room for an adult nearby
  • Assemble the bike following the user manual
  • Tighten all bolts and verify the enclosed flywheel guard is secure
  • Adjust the seat height to match the child’s leg length
  • Check pedal motion, resistance knob, and quick-stop brake before first use

 

Operation and Maintenance

  • Adult supervision stays active for every ride
  • Before each session, inspect frame, seat lock, pedals, and crank for issues
  • Set the seat so the child has a slight knee bend at the bottom stroke
  • Start with low resistance and increase slowly when the child adapts
  • Show the child how to stop pedaling and use the quick-stop brake
  • Watch the child’s posture, breathing, and focus throughout the ride
  • Limit ride length based on age and energy level
  • Wipe down seat, frame, and handlebars after each use
  • Check fasteners, seat adjustment, and flywheel guard on a regular schedule
Key Features & Benefits

Features

  • Heavy-gauge oval steel frame with enclosed 15 lb flywheel
  • Grooved V-belt drive for smooth, quiet motion
  • Manual resistance knob with quick-stop brake
  • Child-sized proportions for ages 5–12 within 100–160 cm height range
  • Padded seat with hollow pressure-relief design and 12-direction adjustment
  • LCD console for time, speed, distance, and estimated calories
  • Multi-position handlebars for different grips
  • Transport wheels for easy repositioning by an adult

 

Benefits

  • Support age-appropriate activity in a compact footprint
  • Help children pedal smoothly without exposed flywheel parts
  • Adjust resistance and fit to match each rider
  • Keep sessions engaging with basic on-screen feedback
  • Fit growing kids through a wide height range
  • Move and store the bike more easily when space is limited
  • Encourage movement habits under clear adult guidance
Specifications
  • Intended Age Range: 5–12 years
  • Height Range: about 100–160 cm (3'3" to 5'3")
  • Frame: heavy-gauge oval steel tubing (30 × 70 × 21 mm)
  • Flywheel: 15 lb (7 kg) enclosed steel flywheel
  • Drive System: grooved V-belt transmission
  • Resistance System: adjustable knob with quick-stop brake
  • Bearings: one-piece mega-bearing set
  • Crank: three-piece design
  • Seat: padded, hollow pressure-relief design
  • Seat Adjustment: 12-direction adjustment
  • Maximum User Weight: 250 lb (113 kg)
  • Equipment Weight: 68 lb (31 kg)
  • Dimensions: 32" L × 20" W × 32" H (82 × 51 × 82 cm)
  • Power Source: manual; no electrical power required

 

Console and Display

  • Display: LCD console
  • Feedback: time, speed, distance, estimated calories

 

Included Components

  • Fitnex X5 children’s exercise bike
  • Assembly hardware
  • User manual
Disclaimer

For recreational fitness use by children ages 5–12 only. Not medical equipment. Console values, including calories, are estimates and not for diagnosis or treatment. Adult supervision is required at all times. An adult must assemble the bike, set seat height, control resistance, and monitor each session. Consult a pediatrician before use if the child has heart, respiratory, joint, neurological, weight-related, or other health concerns, recent illness, or surgery. Stop the session at once if the child shows dizziness, pain, shortness of breath, or unusual fatigue. Use only on a stable, level surface, within the 250 lb weight limit, with athletic shoes and fitted clothing. Keep other children, pets, loose clothing, and hair away from moving parts. Follow all safety, inspection, and maintenance guidance in the user manual.

Fitnex/Steelflex Warranty Info

Fitnex Cardio Home Warranty : Lifetime frame, 7 year parts, 2 year labor, 10 year treadmill motor

Run belt, run deck, handle bar grips, seats, plastic covers all have a 1 year limited warranty

X5 Bike Warranty:

5 year frame, 6 months on pedals and saddle, 1 year on all other parts, 1 year labor

XE5 Elliptical Warranty:

5 year frame, 1 year on all other parts, 1 year labor

XT5 Treadmill Warranty:

1 year on parts and labor

Steelflex SF850 Bike Warranty:

10 year frame, 3 year parts, 180 days labor, 2 year handle bar post, saddle post, flywheel, brake knob assembly, 1 year pedals, saddle –

Plate-Load Warranty:

15 year frame, 3 year bearings, 9 months upholstery & grips, 1 year all other parts

Steelflex Jungle Gyms:

15 yr frame, 3 year bearings, 9 months upholstery & grips, 2 years all other parts 1 year labor

Steelflex Multi Gyms:

(applies to models MG300B and MG3000 in a light commercial setting only) 15 yr frame, 3 year bearings, 9 months upholstery & grips, 2 years all other parts , 1 year labor

Steelflex Multi Gyms:

for home use (applies to models MG100B,MG200B, MG300B, MG3000) lifetime frame and parts, 1 year labor

Steelflex Benches:

lifetime frame, 2 yr parts, 1 year upholstery, 1 year labor

MegaPower Warranty:

15 year frame, 3 year bearings, 9 months upholstery & grips, 2 year all other parts

Steelflex Commercial Cardio Warranty:Lifetime frame, 3 year labor, 3 year parts, 7 year treadmill motor

Run Belt and Run Deck, Handle Bar Grips, Seats, Plastic Covers, All have a Limited 2 Year Warranty, Please contact FMI for details.

FITNEX LIGHT COMMERCIAL WARRANTY:

Lifetime frame, 5 year parts, 2 year labor, 5 year treadmill motor

Run Belt and Run Deck, Handle Bar Grips, Seats, Plastic Covers, All have a Limited 1 Year Warranty, Please contact FMI for details.

Indoor Bike Warranty:

Velocity & Momentum will have 2 year warranty on cranks, flywheel, bracket spindle, handle bar and seat posts. Five-year frame warranty. One-year warranty on pillow block bearings, tension knob assembly, and bracket bearings, and drive belt.  The Velocity and Momentum have a 1 year warranty on seat, & toe clips, pedals, saddle, handlebars, grips, quick release handles. Both the Velocity and Momentum have a labor warranty of 1 year from date of purchase.

ATTENTION:

WARRANTY APPLIES TO PURCHASES AFTER JULY 1, 2019. ONLY DURING THE FIRST YEAR ARE WARRANTY PARTS SHIPPED UPS GROUND AT OUR EXPENSE, ANY OTHER METHOD OF SHIPPING IS AN ADDITIONAL CHARGE. AS PER FITNESS MASTER’S DISCRETION, ALL PARTS UNDER WARRANTY CAN BE REPLACED WITH EITHER NEW OR REBUILT PARTS.

FMI Fitnex X5 Kids Exercise Bike | Ages 5–12 | Adjustable Resistance | Compact Design | Quiet & Safe
FMI Fitnex X5 Kids Exercise Bike | Ages 5–12 | Adjustable Resistance | Compact Design | Quiet & Safe Sale price$799.00

"After 6 months with the XMARK Functional Trainer, I can confidently say it's the best investment I've made for my home gym. The cable system is incredibly smooth, and the weight stack provides consistent resistance throughout the full range of motion. Build quality is commercial-grade - feels like equipment you'd find in a premium gym." — Marcus T., Chicago, IL

"I was hesitant about the space it would take up, but the XMARK's compact design fits perfectly in my garage gym. The variety of exercises I can do is endless - from lat pulldowns to functional movements. Assembly was straightforward with clear instructions." — Lisa M., Portland, OR

I’ve had mine for almost a year and couldn’t be happier. It was nearly double the price when I bought it, and I’d still do it again. The tub gets cold fast, feels great, and I love that I can deflate and store it in winter. Support was quick and friendly when I called. Friends and family love using it too. Highly recommend!

--Max B.--

Description

Summary

Child-sized stationary exercise bike with enclosed flywheel, adjustable resistance, and LCD display for ages 5–12 under active adult supervision.

 

Overview

The FMI Fitnex X5 Children’s Stationary Exercise Bike helps kids stay active in a safer, scaled-down format. The steel frame, enclosed 15 lb flywheel, and belt drive give a smooth pedal motion sized for young riders. An adjustable seat and resistance knob let adults set fit and effort for each child. The simple LCD console shows time, speed, distance, and estimated calories so kids see their effort while they ride under supervision.

 

Set Components

  • Fitnex X5 children’s exercise bike
  • Assembly hardware
  • User manual

 

Installation and Setup

  • Place the bike on a stable, level floor
  • Leave clear space around the 32 by 20 inch footprint
  • Choose a cool, ventilated area with room for an adult nearby
  • Assemble the bike following the user manual
  • Tighten all bolts and verify the enclosed flywheel guard is secure
  • Adjust the seat height to match the child’s leg length
  • Check pedal motion, resistance knob, and quick-stop brake before first use

 

Operation and Maintenance

  • Adult supervision stays active for every ride
  • Before each session, inspect frame, seat lock, pedals, and crank for issues
  • Set the seat so the child has a slight knee bend at the bottom stroke
  • Start with low resistance and increase slowly when the child adapts
  • Show the child how to stop pedaling and use the quick-stop brake
  • Watch the child’s posture, breathing, and focus throughout the ride
  • Limit ride length based on age and energy level
  • Wipe down seat, frame, and handlebars after each use
  • Check fasteners, seat adjustment, and flywheel guard on a regular schedule
Key Features & Benefits

Features

  • Heavy-gauge oval steel frame with enclosed 15 lb flywheel
  • Grooved V-belt drive for smooth, quiet motion
  • Manual resistance knob with quick-stop brake
  • Child-sized proportions for ages 5–12 within 100–160 cm height range
  • Padded seat with hollow pressure-relief design and 12-direction adjustment
  • LCD console for time, speed, distance, and estimated calories
  • Multi-position handlebars for different grips
  • Transport wheels for easy repositioning by an adult

 

Benefits

  • Support age-appropriate activity in a compact footprint
  • Help children pedal smoothly without exposed flywheel parts
  • Adjust resistance and fit to match each rider
  • Keep sessions engaging with basic on-screen feedback
  • Fit growing kids through a wide height range
  • Move and store the bike more easily when space is limited
  • Encourage movement habits under clear adult guidance
Specifications
  • Intended Age Range: 5–12 years
  • Height Range: about 100–160 cm (3'3" to 5'3")
  • Frame: heavy-gauge oval steel tubing (30 × 70 × 21 mm)
  • Flywheel: 15 lb (7 kg) enclosed steel flywheel
  • Drive System: grooved V-belt transmission
  • Resistance System: adjustable knob with quick-stop brake
  • Bearings: one-piece mega-bearing set
  • Crank: three-piece design
  • Seat: padded, hollow pressure-relief design
  • Seat Adjustment: 12-direction adjustment
  • Maximum User Weight: 250 lb (113 kg)
  • Equipment Weight: 68 lb (31 kg)
  • Dimensions: 32" L × 20" W × 32" H (82 × 51 × 82 cm)
  • Power Source: manual; no electrical power required

 

Console and Display

  • Display: LCD console
  • Feedback: time, speed, distance, estimated calories

 

Included Components

  • Fitnex X5 children’s exercise bike
  • Assembly hardware
  • User manual
Disclaimer

For recreational fitness use by children ages 5–12 only. Not medical equipment. Console values, including calories, are estimates and not for diagnosis or treatment. Adult supervision is required at all times. An adult must assemble the bike, set seat height, control resistance, and monitor each session. Consult a pediatrician before use if the child has heart, respiratory, joint, neurological, weight-related, or other health concerns, recent illness, or surgery. Stop the session at once if the child shows dizziness, pain, shortness of breath, or unusual fatigue. Use only on a stable, level surface, within the 250 lb weight limit, with athletic shoes and fitted clothing. Keep other children, pets, loose clothing, and hair away from moving parts. Follow all safety, inspection, and maintenance guidance in the user manual.

Fitnex/Steelflex Warranty Info

Fitnex Cardio Home Warranty : Lifetime frame, 7 year parts, 2 year labor, 10 year treadmill motor

Run belt, run deck, handle bar grips, seats, plastic covers all have a 1 year limited warranty

X5 Bike Warranty:

5 year frame, 6 months on pedals and saddle, 1 year on all other parts, 1 year labor

XE5 Elliptical Warranty:

5 year frame, 1 year on all other parts, 1 year labor

XT5 Treadmill Warranty:

1 year on parts and labor

Steelflex SF850 Bike Warranty:

10 year frame, 3 year parts, 180 days labor, 2 year handle bar post, saddle post, flywheel, brake knob assembly, 1 year pedals, saddle –

Plate-Load Warranty:

15 year frame, 3 year bearings, 9 months upholstery & grips, 1 year all other parts

Steelflex Jungle Gyms:

15 yr frame, 3 year bearings, 9 months upholstery & grips, 2 years all other parts 1 year labor

Steelflex Multi Gyms:

(applies to models MG300B and MG3000 in a light commercial setting only) 15 yr frame, 3 year bearings, 9 months upholstery & grips, 2 years all other parts , 1 year labor

Steelflex Multi Gyms:

for home use (applies to models MG100B,MG200B, MG300B, MG3000) lifetime frame and parts, 1 year labor

Steelflex Benches:

lifetime frame, 2 yr parts, 1 year upholstery, 1 year labor

MegaPower Warranty:

15 year frame, 3 year bearings, 9 months upholstery & grips, 2 year all other parts

Steelflex Commercial Cardio Warranty:Lifetime frame, 3 year labor, 3 year parts, 7 year treadmill motor

Run Belt and Run Deck, Handle Bar Grips, Seats, Plastic Covers, All have a Limited 2 Year Warranty, Please contact FMI for details.

FITNEX LIGHT COMMERCIAL WARRANTY:

Lifetime frame, 5 year parts, 2 year labor, 5 year treadmill motor

Run Belt and Run Deck, Handle Bar Grips, Seats, Plastic Covers, All have a Limited 1 Year Warranty, Please contact FMI for details.

Indoor Bike Warranty:

Velocity & Momentum will have 2 year warranty on cranks, flywheel, bracket spindle, handle bar and seat posts. Five-year frame warranty. One-year warranty on pillow block bearings, tension knob assembly, and bracket bearings, and drive belt.  The Velocity and Momentum have a 1 year warranty on seat, & toe clips, pedals, saddle, handlebars, grips, quick release handles. Both the Velocity and Momentum have a labor warranty of 1 year from date of purchase.

ATTENTION:

WARRANTY APPLIES TO PURCHASES AFTER JULY 1, 2019. ONLY DURING THE FIRST YEAR ARE WARRANTY PARTS SHIPPED UPS GROUND AT OUR EXPENSE, ANY OTHER METHOD OF SHIPPING IS AN ADDITIONAL CHARGE. AS PER FITNESS MASTER’S DISCRETION, ALL PARTS UNDER WARRANTY CAN BE REPLACED WITH EITHER NEW OR REBUILT PARTS.