Products Description
Premium INNOVA Rubber Casing Base
This foam filled wheel adopts genuine INNOVA finished rubber shell as the outer protective layer, rather than generic low-cost rubber casings from unknown manufacturers. INNOVA's proprietary silica-blended rubber compound replaces part of petroleum oil with soybean extract, paired with multi-layer polyester carcass reinforcement and thickened sidewall construction to boost tear resistance against curbs, gravel and metal scraps. The tread texture of the original INNOVA mold delivers balanced ground grip on smooth tile and rough outdoor walkways, with uniform rubber vulcanization to slow down uneven tread wear during long-term daily rolling. Unlike thin, brittle budget rubber tires prone to surface cracking after sun exposure, INNOVA's formula carries reliable anti-ageing performance for year-round indoor and outdoor alternating use.
We redevelop the base microporous PU elastomer formula exclusively for heavy-duty continuous use scenarios, adjusting polyether raw material proportions to lift the foam's anti-compression creep property. Unlike generic low-density filling foam that sags permanently after long static load, our customized foam maintains stable internal elasticity even after weeks of constant pressure from wheelchair or scooter frames. The foaming process precisely controls cell uniformity between 50–100μm, forming dense yet flexible closed-cell structure inside the tire cavity. This balanced pore layout avoids local hardening or overly soft zones, delivering consistent supporting force no matter which part of the tread touches the ground during movement. No foam collapse or inner cavity hollow separation occurs after thousands of rolling cycles.
Zero Air Chamber Design Eliminates Road Failure Risks
This tire cancels the air storage cavity of traditional inflatable wheels entirely, relying fully on integrated solid foam for load support. Even if sharp foreign objects pierce through the rubber shell, there is no compressed air inside to trigger sudden blowouts or gradual slow leakage. For nursing institutions, rehabilitation clinics and shared mobility equipment operators, this structural feature erases the hidden risk of sudden wheel failure during user travel. Staff no longer need to carry repair kits, inflators or spare inner tubes for emergency replacement. Daily equipment inspection work is greatly simplified without regular air pressure checks required.
Low Rolling Resistance & Noise Suppression Dynamic Driving Experience
The coordinated hardness of foam core and rubber shell weakens ground vibration transmission efficiently when rolling over threshold gaps, floor seams and uneven pavement. Compared with rigid solid tires, it delivers obvious cushioning effect to reduce physical fatigue for both riders and caregivers pushing the equipment. The tight bonding between foam and rubber inner wall eliminates internal friction noise during rotation. The optimized tread texture reduces friction resonance on smooth indoor tiles and wooden floors, generating far lower running noise that fits quiet ward, residential corridor and library usage environments without disturbing surrounding people.
Specification
| Size | 2.50-4 |
| Rubber Tire Brand | INNOVA |
| Tread | IA2802 |
| Material | Rubber and Polyurethane |
| Filler | Polyurethane |
| Color |
Grey/Black |
| Lead Time | 60-75days |
Efficiency leap Precision and stability
Every production batch undergoes six professional lab tests before delivery: static long-term compression test, cyclic rolling fatigue test, surface abrasion measurement, puncture resistance simulation, constant temperature and humidity aging test, and rolling noise detection. All raw rubber and PU foam materials comply with RoHS and REACH international environmental standards, free of volatile irritating odors.
We adopt flexible production scheduling to accommodate diverse order demands, ranging from single replacement units for individual buyers, small trial batches for hardware distributors, to large-volume long-term orders for medical equipment manufacturers. All orders will be arranged for targeted production according to confirmed drawings and specifications. Upon request, we can supply full sets of performance test records and raw material compliance certificates to assist buyers with customs clearance procedures and domestic product registration filings.
Company Profile
Dual-site Operational Pattern: Tech R&D Campus + Commercial Production Park
Founded in 2015 in Xiamen, Aleader initially specialized in customized polyurethane molded wheel components tailored for mobility rehabilitation equipment. Driven by surging overseas bulk order demands and production upgrading demands, the firm relocated all bulk production workshops to Longyan industrial zone in 2017, to expand production capacity, optimize on-site production flow and cut comprehensive manufacturing costs.
Currently, the company adopts differentiated dual-site operation with clear functional division. The Xiamen technical branch settles within the CAS Haixi Rare Earth Material Research Base, functioning as an exclusive off-site research institute for joint material development and customized formula upgrading. The Longyan industrial park serves as the core manufacturing hub, equipped with full-process PU molding, foaming processing and integrated assembly production lines. Meanwhile, the group holds a wholly-owned subsidiary focused on PU/PIR air duct insulation board manufacturing, covering two core business sectors: customized foamed parts for mobility equipment, and HVAC fire-resistant thermal insulation materials.
University-Enterprise Co-Development Platform & Senior Technical R&D Team
The in-house technical team owns over 20 years of field practical experience in polyurethane formula modulation, foam microstructure control and integral skin molding processing. Different from ordinary factories that only rely on internal workshop tests, we build long-term binding technical cooperation with authoritative academic institutions to break material R&D bottlenecks.
We launch exclusive joint material research station cooperated with CAS Institute of Rare Earths, and maintain stable technical docking with Professor Tang's research team from Sichuan University School of Polymer Engineering. Factory engineers and university researchers jointly conduct polymer modification, product performance upgrading and new material application development. All independently developed foam formulas verified by joint labs are applied to mass production, helping our finished products own irreplicable performance advantages compared with generic homogeneous products on the global market.
Customized PU Product Matrix & Global Terminal Application Scenarios
We develop five categorized mature PU product lines to fit diversified global procurement demands, among which microcellular solid wheels account for 70% of overall overseas sales volume. The product scope covers microporous elastic wheel accessories, high-resilience foam raw blanks, one-piece molded foam structural parts, flexible PU sponge base materials, and customized lightweight rigid foam filling parts for carbon fiber mobility equipment.
Our certified products serve global benchmark brands across multiple sectors: custom solid PU wheels match electric wheelchairs, outdoor mobility scooters and service robot manufacturers steadily; high-resilience foam semi-finished materials are designated supplies for global premium bedding brand Sealy; molded foam structural components are widely assembled on medical rehabilitation accessories, childcare safety facilities; high-strength rigid foam fillers are mainstream supporting parts for carbon fiber wheelchairs, outdoor fishing gear and civil model aircraft industries.
Aleader builds a closed-loop independent testing center inside Longyan manufacturing park, equipped with more than 12 sets high-precision professional testing equipment, covering rolling wear resistance, fatigue cycle simulation, salt spray corrosion, ultraviolet aging, rebound performance, tensile fracture and impact resistance professional testing items.
Every batch of export goods follows three-stage progressive quality inspection: raw material incoming sampling verification, semi-finished foam random patrol inspection, finished product full-condition simulation testing. All foam and wheel products pass EU RoHS, REACH environmental compliance tests; mobility wheel series obtain TUV safety certification; infant-contact foam accessories meet German GS safety norms; rehabilitation auxiliary components comply with ISO7176 international standard and Chinese national GB standards. Complete inspection reports and qualification files can be provided for overseas customs clearance and buyer filing anytime.
Relying on stable batch delivery capacity, verified product quality and full-cycle cross-border supporting services, Aleader has built long-term strategic partnership with well-known branded enterprises at home and abroad. Our partner ecosystem covers rehabilitation equipment manufacturers, autonomous robot factories, international bedding brand operators, HVAC engineering contractors and childcare product enterprises.
We maintain bidirectional demand linkage with all cooperative partners, collecting on-site product usage feedback and front-end market trend data regularly, and feeding optimization demands back to internal R&D team to realize iterative product upgrading. We aim to establish stable transparent long-term win-win cooperation with every global buyer, and explore broader overseas market space for customized polyurethane mobility accessories together.
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