Skip to content

Cart

Your cart is empty

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

Sale price$799.00

Description

Kids exercise bike designed for ages 5–12 with adjustable resistance, enclosed flywheel, and LCD display. Safe, quiet, and built for home or school use.



Encourage healthy habits early with the FMI Fitnex X5 Kids Exercise Bike.
This child-friendly stationary bike provides a safe, low-impact way for kids to build strength, improve focus, and stay active—perfect for homes, schools, and pediatric wellness programs.

Key Features
Child-Safe Ergonomic Design: Built specifically for growing bodies, ensuring comfort and proper posture.
Adjustable Resistance: Easily modify tension to match each child’s fitness level.
Smooth Belt Drive System: Quiet operation ideal for classrooms, therapy, or home use.
Multi-Position Handlebars: Designed for secure grip and multiple riding positions.
LCD Display Console: Tracks time, speed, distance, and calories to keep kids motivated.
Enclosed 15 lb Flywheel: Enhances safety and delivers a smooth pedaling motion.
Adjustable Seat Height: 12-direction adjustment fits riders between 3′3″ and 5′3″ (100–160 cm).
Durable Construction: Heavy-gauge oval steel frame ensures stability and long-term use.
Transport Wheels: Move or store the bike easily when not in use.
Pressure-Relief Seat Pad: Soft, ergonomic seat designed for comfort during longer rides.

Specifications
• Age Range: 5–12 years
• Frame: Heavy-gauge oval steel tubing (30 × 70 × 21 mm)
• Flywheel: 15 lbs (7 kg) one-piece steel
• Drive System: Grooved V-belt transmission
• Resistance System: Adjustable knob with quick-stop brake
• Bearings: One-piece mega-bearing set
• Seat Adjustment: 12 directions (fits users 100–160 cm tall)
• Crank: Three-piece professional-grade
• Seat: Pressure-relieving hollow pad
• Max User Weight: 250 lbs (113 kg)
• Product Weight: 68 lbs (31 kg)
• Dimensions: 32″ L × 20″ W × 32″ H (82 × 51 × 82 cm)
• Transport Wheels: Yes
• Power: Manual (no plug required)
• Warranty: 5 years frame, 1 year parts

In the Box
• Fitnex X5 Kids Bike
• Assembly hardware
• 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

Kids exercise bike designed for ages 5–12 with adjustable resistance, enclosed flywheel, and LCD display. Safe, quiet, and built for home or school use.



Encourage healthy habits early with the FMI Fitnex X5 Kids Exercise Bike.
This child-friendly stationary bike provides a safe, low-impact way for kids to build strength, improve focus, and stay active—perfect for homes, schools, and pediatric wellness programs.

Key Features
Child-Safe Ergonomic Design: Built specifically for growing bodies, ensuring comfort and proper posture.
Adjustable Resistance: Easily modify tension to match each child’s fitness level.
Smooth Belt Drive System: Quiet operation ideal for classrooms, therapy, or home use.
Multi-Position Handlebars: Designed for secure grip and multiple riding positions.
LCD Display Console: Tracks time, speed, distance, and calories to keep kids motivated.
Enclosed 15 lb Flywheel: Enhances safety and delivers a smooth pedaling motion.
Adjustable Seat Height: 12-direction adjustment fits riders between 3′3″ and 5′3″ (100–160 cm).
Durable Construction: Heavy-gauge oval steel frame ensures stability and long-term use.
Transport Wheels: Move or store the bike easily when not in use.
Pressure-Relief Seat Pad: Soft, ergonomic seat designed for comfort during longer rides.

Specifications
• Age Range: 5–12 years
• Frame: Heavy-gauge oval steel tubing (30 × 70 × 21 mm)
• Flywheel: 15 lbs (7 kg) one-piece steel
• Drive System: Grooved V-belt transmission
• Resistance System: Adjustable knob with quick-stop brake
• Bearings: One-piece mega-bearing set
• Seat Adjustment: 12 directions (fits users 100–160 cm tall)
• Crank: Three-piece professional-grade
• Seat: Pressure-relieving hollow pad
• Max User Weight: 250 lbs (113 kg)
• Product Weight: 68 lbs (31 kg)
• Dimensions: 32″ L × 20″ W × 32″ H (82 × 51 × 82 cm)
• Transport Wheels: Yes
• Power: Manual (no plug required)
• Warranty: 5 years frame, 1 year parts

In the Box
• Fitnex X5 Kids Bike
• Assembly hardware
• 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.