Ultra M4｜Ultra Series Shock-Absorbing Manual Wheelchair: Immersive 3D Support, like being held by a pair of hands, bidding farewell to poor posture
Ultra M4｜Ultra Series Shock-Absorbing Manual Wheelchair: Immersive 3D Support, like being held by a pair of hands, bidding farewell to poor posture
Ultra M4 | Ultra Series Shock-Absorbing Manual Wheelchair: 3D Immersive Enclosure, Like Being Held in Hands, Say Goodbye to Slouching Posture
(Shock-absorbing manual wheelchair)
When some elderly people use wheelchairs, they experience slouching posture and sliding forward, which is often not a fit issue, but related to the backrest structure. Traditional entry-level models often use an 80-90 degree flat canvas backrest, which acts like a rigid upright board and fails to fully accommodate the user's torso within the seat. To maintain balance, the body needs to constantly exert force against the backrest, which can lead to an unstable posture over time. The Ultra M4 shock-absorbing manual wheelchair is designed with a 3D immersive enclosure: it adopts a pressure-relieving recline angle of approximately 70 degrees, combined with an adjustable tension backrest strap, gently securing the upper body within the chair like being held in hands, reducing resistance against the backrest and thus eliminating slouching posture. It also features a thickened seat cushion, drum brakes, and side mesh pockets to enhance the daily riding and care experience.
💡 Ultra Series Craftsmanship Foundation:
The series frame uses 7003 aerospace aluminum alloy with anodic oxidation treatment, a material standard comparable to international high-end craftsmanship. Building on this foundation, the M4 focuses on seating wrap-around support, side storage, and braking performance, designed for users who prioritize long-term seating comfort and postural stability.
Note: The international high-end craftsmanship mentioned above refers only to the 7003 aluminum alloy and anodic oxidation specifications, and does not imply that this product is identical to any specific brand or model.
🔍 Three Major Designs Compared to Traditional Entry-Level Wheelchairs
| ① Backrest Support 3D Immersive Enclosure |
Zero-Tension Pressure-Relieving Backrest | Bionic Embrace Support Approximately 70-degree recline angle with an adjustable tension backrest strap, conforming to the curve of the torso and securing the upper body within the chair; like being held in hands, it reduces the backrest pushing forward, helping to maintain a stable posture. |
80-90 Degree Flat Canvas Backrest The backrest cannot fully envelop the body, requiring the user to constantly exert force against it; this leads to the user sliding forward and having a slouching posture, making long periods of sitting more tiring. |
|---|---|---|
| ② Side Storage |
Dual Side Mesh Pockets Can store daily necessities such as tissues, phones, hand sanitizer, masks; no need for external hanging bags, avoiding external bags scraping against table edges, taking up space, or affecting armrest use. |
Often No Built-in Storage Requires purchasing additional external bags to attach to the armrest or backrest; increases overall width, making pushing and turning less convenient, and the user experience is more fragmented. |
| ③ Braking System |
Drum Brake Braking is more secure and smooth to operate; less likely to accelerate tire surface wear, suitable for care situations where frequent stopping on slopes is required. |
Linked Brake Common in entry-level models; tire wear is relatively faster during braking, and some users may feel less confident when stopping on slopes. |
📋 Product Detailed Specification Sheet
| 🏷️ Basic Information | |||
| Product Model | Ultra M4 | ||
|---|---|---|---|
| 📐 Dimensions and Specifications | |||
| Seat Width (Cushion, cm) | 40 cm | Seat Width (Overall, cm) | 46 cm |
| Seat Depth (cm) | 40 cm | Seat Height from Ground (cm) | 50cm |
| Backrest Height (cm) | 45 | Overall Width (cm) | 52 cm |
| Overall Height (cm) | 95 cm | Overall Length (cm) | 87 cm |
| Unfolded Dimensions (cm) | L 97 x W 60 x H 95 cm | ||
| Folded Dimensions (cm) | L 87 x W 25 x H 70 cm | ||
| Armrest Height from Seat (cm) | 20 cm | ||
| ⚖️ Weight and Load Capacity | |||
| Net Weight (kg) | 10 kg | Max Load Capacity (kg) | 100 kg |
| 🚲 Wheels and Brakes | |||
| Front Wheels | 6 inches (PVC) | Rear Wheels | 15 inches (PU) |
| Tire Type | PU solid tires | Wheel Hub Type | Spoke wheels |
| 🏗️ Material and Structure | |||
| Frame Material | 7003 aerospace aluminum alloy | Surface Treatment | Anodic oxidation |
| Fabric Material | Nylon | Seat Cushion Layers | Double layer, thickened foam cushion |
| ⚙️ Functions and Adjustability | |||
| Foldable Backrest Structure | Yes (backrest can be folded) | Footrest Type | Fixed (footplate can be flipped up) |
| Armrest Function | Fixed, long armrests | Footrest Height Adjustable |
Free style |
| 🛡️ Braking and Safety | |||
| Braking System | Drum brake | Attendant Brakes | Yes |
| Locking Method | Side brake lever | Other Remarks | X-frame folding structure |
💬 User Reviews
🏆 Why Choose Tin Tin Dai Bo? Hong Kong's Highly Specialized "Lightweight Wheelchair" Specialist Store
We specialize in serving individuals with "reduced mobility" (such as the elderly, stroke rehabilitation patients, and those who can walk but not far). The biggest difference from traditional wheelchair stores is our extreme specialization in the assessment and matching of "lightweight wheelchairs." We combine clinical perspectives with cutting-edge elderly care technology, refusing aggressive sales tactics, to accurately identify truly lightweight and comfortable mobility solutions for users.
- Focus on Lightweight, No Hard Selling: We are best at finding the lightest mobility aids for seniors who "cannot walk far." We deeply understand the elderly's resistance to wheelchairs and focus on their real pain points. If an assessment reveals a product is unsuitable, we will never push for a sale.
- Professional Clinical Matching: Utilizing a professional background in occupational therapy, we meticulously assess the elder's physical condition, living environment, and daily activities to recommend suitable models. We have received referrals and follow-ups from numerous hospitals and organizations in Hong Kong.
- Introducing Cutting-Edge Elderly Care Technology: Based on industry recognition of our professionalism, we are the first and exclusive agent in the Asia-Pacific region for many leading elderly care technology wheelchairs.
- Academic and Industry Authority Recognition: Our professional standards are affirmed by academia, having been invited as guest lecturers for university master's programs and as speakers for the Housing Society, Jockey Club "a-home" rental service, and various non-profit organizations.
💡 Frequently Asked Questions (FAQ)
Which type of Hong Kong user is this Ultra M4 Shock-Absorbing Manual Wheelchair (Small Wheels) most suitable for?
It is also suitable for heavier male users (approx. 70-100 kg): drum brakes provide more stable braking for higher weights; the backrest height is relatively higher, generally suitable for users taller than about 165 cm, or those who prioritize seating comfort.
Which Hong Kong areas or living environments are most suitable for this Ultra M4 Shock-Absorbing Manual Wheelchair (Small Wheels)?
Since the seat cushion uses thickened foam, it is also more suitable for users who primarily travel along covered walkways, estate corridors, shopping mall overhead links, or routes with continuous shelter, and have a relatively low chance of getting caught in the rain. If you need to use it outdoors frequently in heavy rain for extended periods, it is recommended to consult our company beforehand regarding maintenance and usage precautions.
What is the most unique design or positioning of this wheelchair in the market?
What are Tin Tin Dai Bo's after-sales and warranty services like in Hong Kong?
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