Catalyst 4 TTL Folding Wheelchair
Easy to transport, easy to push. The Catalyst 4 TTL is the lightest, most durable K0004 folding wheelchair on the market, uniquely equipped with WC19-compliant transit tie-downs for maximum safety during travel.
Experience unparalleled efficiency and durability with the Ki Mobility Catalyst 4 TTL Folding Wheelchair. Constructed from an aircraft-grade 7000 series aluminum frame, this ultra-lightweight K0004 chair is designed for an optimized ride. It features an innovative offset axle plate for an improved center of gravity, a patented Power X-Hinge for effortless folding, and a Dual Interlocking Cross Brace for superior rigidity. Built with a low transport weight of just 16 lbs, the "TTL" configuration integrates crash-tested transit tie-downs, delivering the ultimate balance of safety, structural integrity, and daily freedom.
Catalyst 4 TTL Wheelchair Features
WC19 Transit Tie-Downs (TTL)
Integrated crash-tested brackets that ensure maximum safety and compliance when traveling in a motor vehicle.
Power X-Hinge
Patented design acts as an extensible link, allowing the dual cross brace to fold and unfold effortlessly every time.
Offset Axle Plate
Mounted less than 1/2" forward of the back frame to optimize your center of gravity and significantly improve efficiency.
7000 Series Aluminum
Built tough from vibration-dampening 7000 series aerospace alloy, delivering a stronger, lighter, and smoother ride.
Dual Cross Brace
Minimizes unwanted frame racking and redistributes loads to maintain a rigid, highly responsive feel over time.
Swing-Away Footrests
Intuitive, rattle-free tapered engagement hangers backed by an exclusive lifetime warranty.
Ki Mobility Catalyst 4 TTL Specifications
Ki Mobility Catalyst 4 TTL Wheelchair Measurement Guide
Critical Fit Dimensions
Seat Depth & Frame Match: Ki Mobility matches the frame depth to the seat depth precisely, eliminating excess front frame protrusion. This creates a lighter chair with a superior turning radius.
Vertical Axle Adjustment: The vertically adjustable axle plate grants 2 in (5.08 cm) of center of gravity adjustments in 1/2 in (1.27 cm) increments, customizing the balance purely to the rider.
Tubing Integrity: Operating on a 1" top frame and 1 1/8" bottom frame base ensures long-lasting stability alongside broad aftermarket seating compatibility.
Catalyst 4 TTL Manual Wheelchair Accessories
Tension Adjustable Back
$230.00
Maxx Mag Wheels
$105.00
Pro Elevating Leg Rests
$277.00
Height Adjustable T-Arms
$259.00
Anti-Tippers
$126.00
Catalyst 4 TTL Folding Manual Wheelchair Downloads
Ki Mobility Catalyst 4 TTL Lightweight Wheelchair Reviews
"The Catalyst 4 TTL is incredibly lightweight. The TTL transit tie-downs make me feel secure on the accessible bus, and the Power X-Hinge folds the chair up easily when I need to store it."
"The 7000 series aluminum frame is extremely solid. Pushing this chair takes way less energy thanks to the offset axle plate. Fantastic manual wheelchair that will definitely last."
"Excellent build quality. The seat depth perfectly matching the frame makes turning in tight spaces much easier than my previous chair. No rattling from the footrests either. Highly recommended."
Ki Mobility Catalyst 4 TTL Customizable Adjustable Length Buyer’s Guide
The Catalyst 4 TTL by Ki Mobility is a high-performance folding manual wheelchair engineered for users who require a balance of durability and extreme portability. Built from 7000-series aluminum, the Catalyst 4 TTL provides a rigid-like ride in a folding frame. This wheelchair is designed to accommodate various clinical needs through its highly versatile frame, allowing for a personalized fit that supports long-term mobility and independence.
Highly Customizable Frame Configuration
The Catalyst 4 TTL is a customizable mobility solution that offers a wide array of options to suit the user’s specific body type and lifestyle. From seat width and depth to a vast selection of colors and accessories, the frame can be tailored to meet exact medical requirements. This level of customization ensures that the wheelchair provides optimal pressure distribution and postural support for the occupant.
Adjustable Center of Gravity and Performance
This wheelchair features an adjustable rear axle plate that allows users to fine-tune the center of gravity. By moving the axle forward or backward, the chair’s stability and maneuverability can be modified to match the user’s skill level. This adjustable system is critical for optimizing propulsion efficiency and reducing the strain on the user's upper extremities during daily use.
Total Transport Length and Footrest Design
The "TTL" designation refers to Total Transport Length, highlighting the chair's ability to minimize its storage footprint. The front frame is designed with swing-away hangers that significantly reduce the overall length of the chair when removed. This feature is essential for loading the wheelchair into small vehicle trunks or navigating confined indoor spaces where a shorter turning radius is required.
Lightweight 7000 Series Aluminum Construction
Constructed from premium 7000 series aluminum, the Catalyst 4 TTL is both customizable in its build and lightweight in its execution. The high-strength material allows for thinner tubing walls without sacrificing structural integrity. This results in a frame that is easy for caregivers to lift while remaining stiff enough to transmit energy efficiently from the handrims to the wheels.
Dual Interlocking Cross-Brace System
The Catalyst 4 TTL utilizes a unique dual interlocking cross-brace system. This design minimizes the "flex" often found in folding chairs, providing a more adjustable and stable seating platform. The mechanism ensures that as the length of the frame expands during unfolding, the components lock securely into place to provide a feel that mimics a fixed-frame wheelchair.
Adjustable Tension Back Upholstery
To further enhance comfort, the chair includes adjustable tension back upholstery. This allows the user or clinician to modify the contour of the backrest to provide specific lumbar support or to accommodate spinal curvatures. This customizable surface ensures that the user remains comfortable during extended periods of sitting, reducing the risk of skin breakdown and fatigue.
Ki Mobility Catalyst 4 TTL Review
The Ki Mobility Catalyst 4 TTL is a premier, customizable folding wheelchair that prioritizes ease of transport and user performance. With its adjustable axle positions and optimized transport length, it serves as a versatile tool for active users. The combination of a 7000 series aluminum frame and a compact folding design makes the Catalyst 4 TTL an industry-leading choice for those seeking a durable yet portable manual mobility device.
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Ki Mobility warrants the frame, cross braces, hangers and quick release axles of your Catalyst wheelchair against defects in materials and workmanship for the life of the original purchaser. All other parts and components of this wheelchair are warranted against defects in materials and workmanship for one year from the date of first consumer purchase. The expected life of the frame is five years.
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