S-Ergo 305 Ultra Lightweight Ergonomic Wheelchair - Adjustable Height - Front View
-11%

S-Ergo 305 Ultra Lightweight Ergonomic Wheelchair — Adjustable Height

Regular price $855.00 Sale price $760.00
Shop Pay As low as $31.66/mo
Color: Rose Red
Choose your Options
Seat Size: 16"
Add to Wishlist
Add to Compare
🪑
Cushions
10 options
Cu-FO 16" Universal Foam Seat Cushion
Cu-FO 16" Universal Foam Seat Cushion
CU-FO-16
✓ Compatible
+ $31.00
Cu-FO 18" Universal Foam Seat Cushion
Cu-FO 18" Universal Foam Seat Cushion
CU-FO-18
✓ Compatible
+ $31.00
Wheelchair Back Cushion Contoured 16"x17"
Wheelchair Back Cushion Contoured 16"x17"
BKF-1617
✓ Compatible
+ $55.00
Wheelchair Back Cushion Contoured 18"x17"
Wheelchair Back Cushion Contoured 18"x17"
BKF-1817
✓ Compatible
+ $65.00
Cu-GFR 16" Universal Gel/Foam Seat Cushion
Cu-GFR 16" Universal Gel/Foam Seat Cushion
CU-GFR-16
✓ Compatible
+ $72.00
Cu-GFR 18" Universal Gel/Foam Seat Cushion
Cu-GFR 18" Universal Gel/Foam Seat Cushion
CU-GFR-18
✓ Compatible
+ $72.00
CU-Ergo-16-Back Seat Cushion
CU-Ergo-16-Back Seat Cushion
CU-Ergo-16-Back
✓ Compatible
+ $155.00
Cu-Ergo 18" Memory Foam Back Cushion
Cu-Ergo 18" Memory Foam Back Cushion
CU-Ergo-18-Back
✓ Compatible
+ $155.00
Cu-Ergo 16" Memory Foam Seat Cushion
Cu-Ergo 16" Memory Foam Seat Cushion
CU-Ergo-16
✓ Compatible
+ $165.00
Cu-Ergo 18" Memory Foam Seat Cushion
Cu-Ergo 18" Memory Foam Seat Cushion
CU-Ergo-18
✓ Compatible
+ $165.00
🔧
Accessories
10 compatible items for this model
Elevating Legrest with Padded Calf Pad for S-305 — 16" Width
Elevating Legrest with Padded Calf Pad for S-305 — 16" Width
EL-S305-16
✓ Compatible
+ $255.00
Elevating Legrest with Padded Calf Pad for S-305 — 18" Width
Elevating Legrest with Padded Calf Pad for S-305 — 18" Width
EL-S305-18
✓ Compatible
+ $255.00
Large Foldable Rigidfy Headrest for 1 " diameter Handle Frame
Large Foldable Rigidfy Headrest for 1 " diameter Handle Frame
HR-FLD-305
✓ Compatible
+ $145.00
Anti Tipper pair for S-300 series
Anti Tipper pair for S-300 series
AT-305
✓ Compatible
+ $53.00
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
🛒
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 Capacity250 lb
Frame MaterialAircraft-Grade Aluminum
Self-Propel Ready24" Rear Wheels
Travel & StorageEasy Fold

Product Overview

The Karman S-Ergo 305 is an ultra-lightweight ergonomic wheelchair with an adjustable seat height and flip-back height-adjustable armrests — offering a near-custom fit without the custom price tag. Critically acclaimed by the Wheelchair Institute and built by Karman Healthcare with quick-release axles and a patented S-Shape seat frame, it's designed for long-term mobility users who need both adaptability and ergonomic support. Available in rose red and pearl silver.

Key Features

Adjustable seat height across three positions for personalized fit
Flip-back height-adjustable armrests for transfers and table access
Quick-release rear wheels — tool-free removal for compact storage
Patented S-Shape seating for pressure relief and anti-slide comfort
AEGIS anti-bacterial cushions, machine washable
Breathable mesh seat and back sling with folding design

Product Highlights

The adjustable axle position allows seat height to be configured to match the user's leg length and transfer needs — a practical alternative to ordering an expensive custom chair. Flip-back armrests move out of the way instantly for table access or transfers, and their height is adjustable to match different arm lengths. The quick-release wheels make it straightforward to break the chair down to a compact size for car storage or travel.

Dimensions

Available Seat Sizes
16", 18"
All widths available — choose your size above.
Overall Width (Open)
24", 26"
Width in use — standard doors are 28"–32".
Folded Width
12.0 in
Folded for car storage and transport.
Backrest Height
17.0 in
Higher gives better posture support.
Seat-to-Floor Height
1820.0 in
Affects ease of transfers from bed and chairs.
Seat Depth
17.0 in
Deeper seat gives better thigh support.
Rear Wheel Size
24.0 in
Larger wheels allow more self-propulsion.
Front Caster Size
7.0 in
Smaller casters for smooth indoor use.

Frame & Build

Brake Type
Push-to-lock
Controls for stopping and parking.
Armrest Style
Height Adjustable
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
250.0 lb
Max safe user weight for this model.

General

ModelS-ERGO305
Product Weight29.0 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 At44.0 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 305 Wheelchair Frame (Folded)
24" Quick-Release Flat-Free Spoked Rear Wheels with Ergonomic Handrims
7" × 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 Concaved Armpad (Left)
Height-Adjustable Flip-Back Armrest with Concaved 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

🏠 Home & Indoor Mobility

Moves smoothly between bedroom, bathroom, and kitchen without fatigue or resistance. With a maximum open width of 27", this wheelchair clears any standard 32" interior doorframe with room to spare — no squeezing, no side-scraping, no frustration. The 7" front casters glide quietly across hardwood, tile, and carpet, making the whole house feel accessible again.

🏥 Doctor Visits & Medical Appointments

Built for the weekly realities of outpatient care. The 29 lbs aircraft-grade aluminum frame lifts easily in and out of car trunks, and the swing-away footrests allow you to pull right up to exam tables for quick, safe transfers. Rolls smoothly across clinic corridors and paved hospital walkways without any extra effort from your caregiver.

🌳 Outdoor Walks & Fresh Air

The 24" flat-free rear wheels handle paved sidewalks, ramps, and light outdoor terrain with stability and control. There are no tires to pump and no punctures to worry about — this chair is ready to go whenever you are. Whether it's a neighborhood walk, a trip to the pharmacy, or a visit to the park, it keeps up comfortably.

✈️ Travel & Car Transport

Folds completely flat in seconds with a simple cross-brace pull, folding down to just 12" in width. At 29 lbs, one person can lift and load it into any standard car trunk without strain. Available in 16", 18" seat widths supporting up to 250 lbs — making it practical for a wide range of users on the go.

⏳ Extended Sitting & Comfort Support

The globally patented S-Shape seat frame actively redistributes body weight away from pressure points during long sitting periods — reducing the risk of skin breakdown and discomfort that standard sling seats cause. AEGIS® anti-microbial mesh upholstery stays breathable and hygienic through full days of use, keeping odors and bacteria at bay for long-term users.

Who This Product Is For

12 user profiles matched

Seniors Limited mobility users Long-term mobility support Home use Travel use Indoor mobility Outdoor mobility Stroke recovery patients Parkinson’s patients Limited lower-body strength users Home care environments Assisted living facilities

Detailed Information

Primary Users

Adults with permanent or long-term lower-limb disabilities who self-propel independently every day

Seniors managing age-related mobility decline who need a lightweight chair they can handle without caregiver help

Stroke and neurological recovery patients who retain upper body strength and propel independently

Parkinson's disease patients who benefit from the ergonomic S-shape seat for posture stability and reduced fatigue

Users transitioning from temporary recovery to long-term mobility who want a chair they'll still want to use in 5 years

Best Suited Environments

Home-based daily users who navigate between rooms, doorways, and outdoor pathways independently

Outpatient medical appointment regulars who load and unload their own chair from vehicles

Active community users who want a chair light enough to fold and transport without assistance

Long-term care residents who self-propel and need a chair that supports posture across full days of sitting

FAQs

I'm 68 and live alone - will I actually be able to lift and fold this wheelchair by myself without help?

At just 29 pounds, the Karman S-Ergo 305 ultra lightweight ergonomic wheelchair is specifically designed for independent seniors who need to handle their own mobility equipment. The aircraft-grade aluminum frame makes it one of the lightest wheelchairs available, and it folds down to only 12 inches wide for easy storage in closets or car trunks. The quick-release wheels and simple folding mechanism mean you won't need caregiver assistance for daily transport and storage.

My stroke recovery requires me to self-propel - are the wheels and handrims actually comfortable for daily use?

The S-Ergo 305 features 24-inch rear wheels with ergonomic handrims specifically designed to reduce strain on your hands and wrists during self-propulsion. This wheelchair is ideal for stroke and neurological recovery patients who retain upper body strength, as the lightweight 29-pound frame requires less effort to maneuver than standard wheelchairs. The ergonomic design has been critically acclaimed by the Wheelchair Institute for reducing fatigue during extended daily use.

Will this wheelchair fit through my narrow bathroom door and maneuver around my small apartment?

With a maximum open width of 27 inches, the Karman S-Ergo 305 easily clears standard 32-inch interior doorframes with room to spare, making it perfect for navigating tight bathroom doors and narrow hallways. The 7-inch polyurethane front casters provide smooth movement between bedroom, bathroom, and kitchen without resistance or scraping walls. This ultra lightweight wheelchair is specifically designed for home and indoor mobility in typical residential spaces.

I weigh 230 pounds and worry about wheelchair stability - is this lightweight chair actually safe for heavier users?

The S-Ergo 305 has a 250-pound weight capacity and uses aircraft-grade aluminum construction that's both lightweight and incredibly strong for daily safety. At 230 pounds, you're well within the safe weight limit, and the ergonomic design with 24-inch rear wheels provides excellent stability for self-propulsion. Despite weighing only 29 pounds, this wheelchair's professional-grade frame material ensures reliable support for users up to 250 pounds.

Can I adjust the seat height on this wheelchair, and will it fit my 5'10" frame properly?

Yes, the Karman S-Ergo 305 features adjustable seat height along with height-adjustable flip-back armrests to provide a near-custom fit without the custom price tag. The ergonomic design accommodates various user heights, and the adjustable components allow you to find the optimal positioning for comfortable daily use. This adjustability makes it suitable for users of different heights who need proper ergonomic support for long-term mobility.

Will this wheelchair fit in my Honda Accord trunk, and how hard is it to load for doctor appointments?

The S-Ergo 305 folds to just 12 inches wide and weighs only 29 pounds, making it highly portable for car transport to medical appointments. The quick-release rear wheels come off easily to reduce the footprint even further, and the lightweight aircraft-grade aluminum frame means most people can lift it into a standard car trunk without strain. This ultra lightweight wheelchair is specifically designed for users who need independent travel capability.

How does this compare to a standard hospital wheelchair - why should I invest in the S-Ergo 305?

Unlike heavy 40+ pound hospital wheelchairs, the 29-pound S-Ergo 305 features aircraft-grade aluminum construction, adjustable seat height, and ergonomic handrims that reduce daily fatigue and strain. The critically acclaimed ergonomic design by Karman Healthcare provides superior comfort for long-term daily use compared to basic transport wheelchairs. With flat-free tires and professional-grade components, this wheelchair offers reliability and independence that standard rental or hospital chairs simply can't match.

What happens if something breaks on this wheelchair in the first year, and how long will it actually last?

The Karman S-Ergo 305 is built with aircraft-grade aluminum framing and professional-grade components designed for daily long-term use by adults with permanent mobility needs. Karman Healthcare backs their critically acclaimed wheelchairs with manufacturer warranty coverage, and the flat-free polyurethane tires eliminate the most common maintenance issue with mobility equipment. The durable construction using aerospace materials means this ultra lightweight wheelchair is built to withstand years of regular indoor and outdoor use.

Recently viewed products