S-Ergo ATX Active Ergonomic Wheelchair - High-Performance, Rigid Frame - Front View
S-Ergo ATX Active Ergonomic Wheelchair - High-Performance, Rigid Frame - Side Profile
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S-Ergo ATX Active Ergonomic Wheelchair - High-Performance, Rigid Frame - Front View
S-Ergo ATX Active Ergonomic Wheelchair - High-Performance, Rigid Frame - Side Profile

S-Ergo ATX Active Ergonomic Wheelchair — High-Performance, Rigid Frame

Regular price $2,290.00 Sale price $2,040.00
Shop Pay As low as $85.00/mo
Color: Diamond Black
Choose your Options
Seat Size: 14" x 15"
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Cushions
5 options
Cu-FO 16" Universal Foam Seat Cushion
Cu-FO 16" Universal Foam Seat Cushion
CU-FO-16
✓ Compatible
+ $31.00
Wheelchair Back Cushion Contoured 16"x17"
Wheelchair Back Cushion Contoured 16"x17"
BKF-1617
✓ Compatible
+ $55.00
Cu-GFR 16" Universal Gel/Foam Seat Cushion
Cu-GFR 16" Universal Gel/Foam Seat Cushion
CU-GFR-16
✓ Compatible
+ $72.00
CU-Ergo-16-Back Seat Cushion
CU-Ergo-16-Back Seat Cushion
CU-Ergo-16-Back
✓ Compatible
+ $155.00
Cu-Ergo 16" Memory Foam Seat Cushion
Cu-Ergo 16" Memory Foam Seat Cushion
CU-Ergo-16
✓ Compatible
+ $165.00
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Accessories
18 compatible items for this model
🔧
Companion Fixed Push Handles for S-ERGO ATX
HD-9000-FIX
✓ Compatible
+ $105.00
🔧
Companion Fixed Push Handles for S-ERGO ATX with Foldable Hand Grip
HD-9000-FOLD
✓ Compatible
+ $156.00
Anti Tipper pair for Ergo ATX series
Anti Tipper pair for Ergo ATX series
AT-9000
✓ Compatible
+ $65.00
🔧
Spinergy LX 12-Spoke Performance Wheelchair Wheels — Fits S-ERGO 115 & ATX
RW-SPIN-LX12
✓ Compatible
+ $525.00
🔧
Spinergy SPOX 18-Spoke Performance Wheelchair Wheels — Fits S-ERGO 115 & ATX
RW-SPIN-SPOX18
✓ Compatible
+ $425.00
🔧
Spinergy WIRE 30-Spoke Performance Wheelchair Wheels — Fits S-ERGO 115 & ATX
RW-SPIN-WIRE30
✓ Compatible
+ $270.00
Full Length Armpad in Grey
Full Length Armpad in Grey
AP21
✓ Compatible
+ $17.00
Full Length Armpad In Blue Color With Cushion
Full Length Armpad In Blue Color With Cushion
AP22U
✓ Compatible
+ $17.00
Desk Length Armpad In Black Color With Cushion
Desk Length Armpad In Black Color With Cushion
AP23B
✓ Compatible
+ $17.00
Desk Length Armpad In Blue Color With Cushion
Desk Length Armpad In Blue Color With Cushion
AP23U
✓ Compatible
+ $17.00
8"x1" Front Caster in Black with 5/16" Bearing
8"x1" Front Caster in Black with 5/16" Bearing
C81B
✓ Compatible
+ $22.00
8"x1" Front Caster in Black with 7/16" Bearing
8"x1" Front Caster in Black with 7/16" Bearing
C81B-716
✓ Compatible
+ $22.00
Seat Belt With Plastic Clamp and Easy To Adjust
Seat Belt With Plastic Clamp and Easy To Adjust
SB22
✓ Compatible
+ $14.00
Seat Belt Auto Style With Push Button To Release and Easy To Adjust
Seat Belt Auto Style With Push Button To Release and Easy To Adjust
SB99-48
✓ Compatible
+ $27.00
Small universal Carry Pouch for wheelchair
Small universal Carry Pouch for wheelchair
CP2
✓ Compatible
+ $14.00
Large universal Carry Pouch for wheelchair
Large universal Carry Pouch for wheelchair
CP4
✓ Compatible
+ $20.00
3 in 1 armrest pouch, handbag and shoulder bag
3 in 1 armrest pouch, handbag and shoulder bag
CP22-LUX
✓ Compatible
+ $46.00
Universal Cup Holder for Wheelchair or Walker
Universal Cup Holder for Wheelchair or Walker
CUPH-100-BK
✓ Compatible
+ $15.00
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Add-ons
Canes, bed rails, tables & more
Bedrail Assist with Padded Handles — Bed Safety Rail for Seniors
Bedrail Assist with Padded Handles — Bed Safety Rail for Seniors
BEDRL-M2
+ $73.00
Padded Bed Assist Rail — Safety Grab Bar with Non-Slip Grip
Padded Bed Assist Rail — Safety Grab Bar with Non-Slip Grip
ASSRL-100
+ $40.00
Folding Cane with Ergonomic Handle — Collapsible Walking Cane, Black
Folding Cane with Ergonomic Handle — Collapsible Walking Cane, Black
FC2-BK
+ $24.00
Folding Cane with Ergonomic Handle — Collapsible Walking Cane, Silver
Folding Cane with Ergonomic Handle — Collapsible Walking Cane, Silver
FC2-SI
+ $24.00
Quad Cane with Small Base — Lightweight Walking Cane, Black
Quad Cane with Small Base — Lightweight Walking Cane, Black
QC2-BK
+ $32.00
Quad Cane with Small Base — Lightweight Walking Cane, Silver
Quad Cane with Small Base — Lightweight Walking Cane, Silver
QC2-SI
+ $32.00
Overbed Table with Wood Finish — Height Adjustable Bedside Tray
Overbed Table with Wood Finish — Height Adjustable Bedside Tray
OT10
+ $82.00

Availability: In stock
Weight Capacity275 lb
Frame MaterialAircraft-Grade Aluminum
Large Outdoor Casters8" Wheels
Travel & StorageEasy Fold

Product Overview

The Karman S-Ergo ATX is a high-performance active wheelchair designed for bold daily use, featuring a 15.4-pound starting frame weight and a unique multi-geometrical extruded crossbar structure. Built by Karman Healthcare with 6061 T6 aircraft-grade aluminum and metallic AEGIS-treated high-gloss paint, every tube and weld has been precision-engineered for the highest possible strength-to-weight ratio. Available in diamond black and aspen white for users who won't compromise on performance or style.

Key Features

15.4 lb starting frame weight — active wheelchair category
Multi-geometrical extruded crossbars for maximum rigidity
Patented S-Shape ergonomic seating system for pressure relief
Full adjustability — seat height, back angle, center of gravity
AEGIS metallic high-gloss paint — antimicrobial and durable
Available in diamond black and aspen white

Product Highlights

The ATX frame is the result of years of R&D, with each component optimized so that larger users get the stability they need while smaller users aren't burdened by excess weight — a balance rarely achieved at this price point. The fully adjustable platform means seat height, back cane height and angle, front fork, footplate angle, and center of gravity can all be dialed in to a precise, personalized fit. Its folding cross-brace design makes the chair compact for storage while maintaining the rigidity of a rigid-frame chair during use.

Dimensions

Available Seat Sizes
14" x 15", 16" x 16", 16" x 18", 18" x 16", 18" x 18"
All widths available — choose your size above.
Overall Width (Open)
21", 23", 25"
Width in use — standard doors are 28"–32".
Folded Width
13.0 in
Folded for car storage and transport.
Backrest Height
16.5 in
Higher gives better posture support.
Seat-to-Floor Height
18.0 in
Affects ease of transfers from bed and chairs.
Seat Depth
15.0 in
Deeper seat gives better thigh support.
Rear Wheel Size
8.0 in
Larger wheels allow more self-propulsion.
Front Caster Size
8.0 in
Smaller casters for smooth indoor use.

Frame & Build

Brake Type
Push-to-lock
Controls for stopping and parking.
Armrest Style
Flip-back
Flip-back makes transfers easier.
Legrest Style
Swing-away
Swing-away allows closer surface access.
Foldable
Yes
Folds for car transport and home storage.
Frame Material
Aircraft-Grade Aluminum
Affects weight and durability.
Weight Capacity
275.0 lb
Max safe user weight for this model.

General

ModelS-ERGOATX
Product Weight26.0 lb — Heavy — two-person lift recommended.
AssemblyRequired — tools and instructions included.
Airline ApprovedYes — FAA Compliant
CertificationFDA 510(k) Registered CE Certified ISO 9001:2015

Shipping & Returns

ShippingFree — all 48 contiguous US states. No minimum.
Ships At40.0 lb
Returns30-day — new & unused in original packaging. Email support@ozzocare.com to start.

Warranty Coverage

Wear Parts0 days
Battery0 months
Upholstery0 months
Electronics0 years
Parts1 years
Frame999 years
Frame WarrantyLimited Lifetime Warranty

What's Inside the Box

12 items included

S-Ergo ATX Wheelchair Frame (Folded)
24" Flat-Free Spoked Rear Wheels with Ergonomic Handrims
5" × 1" Polyurethane Front Casters
Swing-Away Footrest (Left)
Swing-Away Footrest (Right)
Push-to-Lock Wheel Brakes (Pre-installed)
Height-Adjustable Flip-Back Armrest with Padded Armpad (Left)
Height-Adjustable Flip-Back Armrest with Padded Armpad (Right)
AEGIS® Treated Breathable Mesh Seat Cushion
AEGIS® Treated Breathable Mesh Backrest Upholstery
Rear Storage Pouch (Pre-attached to Backrest)
User Manual

Assembly Required

Minimal assembly required — quick and tool-free setup

~10–15 mins

Primary Use Cases

5 real-world scenarios for this product

🏙️ Active Daily Urban Use

Built for wheelchair users who live life at full speed. The ATX frame starts at just 15.4 lbs (frame) — light enough to maneuver aggressively through city streets, office corridors, and tight indoor spaces. The multi-geometric aluminum exoskeleton combines folding convenience with near-rigid performance, so every push translates directly into forward momentum.

🏃 Sports & Recreation

Whether it's basketball, tennis, racing, or recreational fitness, the ATX is engineered for physical activity. The low center of gravity and precise 4" front casters give you the responsiveness and stability needed for dynamic movement. Available in multiple seat dimension combinations (14"×15" to 18"×18") to match your exact body geometry and athletic posture.

🌳 Outdoor Navigation & Varied Terrain

The 24" rear wheels handle paved outdoor surfaces, curb cuts, and light terrain changes with confidence. The rigid-collapsing frame mechanism keeps the chair stable under aggressive use while still allowing you to fold and transport it quickly when needed. No wobble, no flex, no energy wasted.

✈️ Travel & Compact Transport

Folds compactly for car boots, overhead compartments, and travel storage. At a frame weight of 15.4 lbs (frame), it's manageable for one person to lift and store. The quick-release rear wheels make trunk loading even faster — pop them off, fold the frame, and you're in the car in under 30 seconds.

💼 Work, School & Social Participation

Designed for users who need a mobility solution that keeps pace with a full, engaged life — not just a medical device to move between rooms. The ergonomic S-shape seating keeps posture healthy during long hours at a desk, in a classroom, or at social events. Supports up to 265 lbs with a frame that's built to last through years of daily active use.

Who This Product Is For

6 user profiles matched

Limited mobility users Long-term mobility support Outdoor mobility Indoor mobility Travel use Limited lower-body strength users

Detailed Information

Primary Users

Full-time wheelchair users who are physically active and demand responsive, high-performance propulsion

Young adults and working-age users who need a chair that keeps up with an active professional or social life

Athletes and recreational users involved in wheelchair sports, fitness, or outdoor activities

Long-term wheelchair users who have outgrown standard folding chairs and want near-rigid performance in a foldable platform

Best Suited Environments

Daily urban commuters navigating offices, transit systems, and city streets with speed and agility

Active workplace and university users who need a chair that performs across full days of demanding environments

Outdoor and recreational users who push across varied terrain and need precise handling under load

Travelers who need quick-release wheels and a compact fold for frequent vehicle and transit loading

FAQs

I'm 28 and use a wheelchair full-time for work - will the Karman S-ergo ATX actually keep up with my busy city lifestyle without wearing me out?

The Karman S-ergo ATX Active wheelchair is specifically designed for high-performance daily use with a lightweight 15.4-pound frame starting weight that reduces propulsion effort significantly. Its aircraft-grade aluminum construction and multi-geometrical crossbar structure provide responsive handling for navigating city streets, office buildings, and tight indoor spaces without the fatigue of heavier chairs. The 24-inch flat-free spoked rear wheels with ergonomic handrims are built for active users who demand smooth, efficient propulsion throughout long workdays.

My car trunk is pretty small - can I actually fold and transport this active wheelchair myself without needing help?

Yes, the S-ergo ATX Active wheelchair folds to an extremely compact profile and weighs just 26 pounds total, making it manageable for independent car transport. The foldable aircraft-grade aluminum frame collapses easily with swing-away footrests that remove quickly, and the lightweight design means most users can lift it into standard car trunks without assistance. The flip-back armrests and removable components make loading even more convenient for daily errands and appointments.

I weigh 260 pounds and need a lightweight wheelchair for outdoor activities - is the Karman S-ergo ATX safe and durable enough for someone my size?

The Karman S-ergo ATX Active wheelchair has a 275-pound weight capacity and is built with 6061 T6 aircraft-grade aluminum that provides exceptional strength-to-weight ratio for users up to 275 lbs. Despite weighing only 26 pounds total, the multi-geometrical crossbar structure and metallic AEGIS construction deliver the durability needed for outdoor use and active lifestyles. The 24-inch spoked rear wheels and 5-inch polyurethane front casters are designed to handle various terrain while maintaining stability for heavier users.

I'm interested in wheelchair basketball and recreational sports - how does this active wheelchair perform compared to standard hospital-style chairs?

The S-ergo ATX Active wheelchair is specifically designed for athletes and recreational users with its high-performance 15.4-pound frame that offers superior maneuverability and responsiveness compared to standard wheelchairs. The aircraft-grade aluminum construction and ergonomic handrims provide the quick acceleration and precise control needed for wheelchair sports, while the multi-geometric frame geometry optimizes power transfer. Unlike heavy hospital chairs, this active wheelchair enables aggressive maneuvering and athletic performance while folding for convenient transport to sports venues.

Will this lightweight active wheelchair actually fit through standard doorways in my home and workplace without constantly getting stuck?

The Karman S-ergo ATX Active wheelchair is designed for seamless indoor navigation through standard US doorways, which typically range from 32 to 36 inches wide. The compact design and responsive handling make it ideal for tight indoor spaces like office corridors, bathroom doors, and home hallways without the bulk of traditional wheelchairs. The flip-back armrests and swing-away footrests provide additional clearance when needed for navigating narrow passages or positioning close to desks and tables.

My insurance denied coverage for a sports wheelchair - does Medicare or private insurance typically cover the S-ergo ATX as durable medical equipment?

Medicare and most private insurance plans may cover the Karman S-ergo ATX Active wheelchair as durable medical equipment if you meet medical necessity requirements and have proper documentation from your physician. The key is having your doctor prescribe it as medically necessary for your mobility needs rather than as a sports or recreational wheelchair. You'll typically need documentation showing your need for a lightweight, high-performance chair for daily activities, and the prescription should emphasize mobility function rather than athletic performance.

I travel frequently for work - can I take this active wheelchair on airplanes and will it hold up to baggage handling?

Yes, the S-ergo ATX Active wheelchair can be taken on airplanes and is built to withstand travel demands with its durable aircraft-grade aluminum construction. At 26 pounds total weight and fully foldable design, it meets most airline requirements for checked mobility equipment, and the robust 6061 T6 aluminum frame can handle baggage handling. The flat-free tires eliminate concerns about pressure changes, and the multi-geometrical crossbar structure provides extra protection against impacts during transport.

How long does it take to assemble this wheelchair out of the box, and what tools do I need to get it ready for daily use?

The Karman S-ergo ATX Active wheelchair comes largely pre-assembled with the main components ready to attach - you'll primarily need to install the 24-inch rear wheels, attach the swing-away footrests, and adjust the flip-back armrests to your preferences. Basic assembly typically takes 15-30 minutes with standard tools, and the push-to-lock wheel brakes come pre-installed for convenience. The aircraft-grade aluminum frame requires minimal setup, and most users can have their chair ready for active daily use within an hour of unboxing.

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