125mm Iron Core Rubber Stair Climbing Tri Wheel

125mm Iron Core Rubber Stair Climbing Tri Wheel. Durable Rubber Wheels: Constructed with 50% iron and 50% black rubber for robust performance. High Load Capacity: Maximum load capacity of 110 units ensures stability for heavy cargo. OEM and ODM Support: Customization available for size, load capacity, and special performance. Free Sample Availability: Up to 2 free regular samples provided, customer covers logistics cost. Strict Quality Control: 100% inspection before shipping with professional QC team and equipment. Fast Delivery Time: General delivery within 15-25 days depending on order quantity. Established Manufacturer: Factory specializing in caster wheels since 2011 with two production bases. Flexible MOQ Policy: Accepts orders of any size, big or small, with dedicated service.