9 x 2 3/4" Sawtooth Tread Grey Tire
The Rolko 9 x 2 3/4" Sawtooth Tread Grey Tire features a 2.80/2.50-4 sizing specification for reliable fit on mobility scooters and power chairs.
The 2.80/2.50-4" (9 x 2 3/4") Grey Radial Tire measures 220×70 mm and is built with a puncture-proof insert, so it delivers a smooth, cushioned ride without the risk of going flat. Its sawtooth tread pattern adds grip, and it’s sized to fit a 2" (55 mm) rim base width.
2.80/2.50-4 WHEELCHAIR TIRE FEATURES
GREY NON-MARKING TIRE SPECIFICATIONS
SAWTOOTH TREAD WHEELCHAIR TIRE MEASUREMENT GUIDE
9 x 2 3/4" Sawtooth Tread Grey Tire by Rolko Buyer’s Guide
The 9 x 2 3/4" (2.80/2.50-4") Sawtooth Tread Grey Tire by Rolko is a high-performance replacement tire engineered specifically for power wheelchairs, heavy-duty mobility scooters, and specialized caster wheels. Featuring a non-marking rubber compound and a flat-free puncture-proof insert option, it delivers dependable traction, extended tread life, and zero maintenance across both indoor and outdoor terrain.
Puncture-Proof Flat-Free Design
Built with an integrated puncture-proof insert, this tire eliminates the risk of flats from debris, thorns, or glass. It provides the smooth roll and shock absorption of a traditional pneumatic tire without the hassle of maintaining air pressure or repairing unexpected punctures.
Sawtooth Tread Pattern for Multipurpose Traction
The classic sawtooth tread geometry provides multi-directional grip on indoor tile, hardwood, concrete, and uneven outdoor paths. It ensures optimal forward propulsion and lateral stability without vibrating or creating excess noise during travel.
Non-Marking Grey Rubber Compound
Formulated with a specialized grey rubber compound, this tire protects residential and commercial flooring from scuffs, black streaks, and skid marks. It allows seamless transitions between outdoor environments and indoor spaces.
9 x 2 3/4" (2.80/2.50-4") Sizing Compatibility
Sized at an outer diameter of 220 mm (9 inches) and a width of 70 mm (2 3/4 inches), this tire is engineered to fit standard 2" (55 mm) rim base widths. Its precise dimensions ensure an exact fit on popular power chair power-wheel drive hubs and front caster assemblies.
Heavy-Duty Rolko Construction
Manufactured by Rolko, a leader in medical mobility components, this tire is constructed to handle daily wear, heavy user weight capacities, and frequent power chair maneuvers without cracking or wearing unevenly over time.
Low Rolling Resistance Efficiency
The tire’s radial structure and firm tread contour reduce rolling resistance, which helps optimize battery efficiency on power chairs and mobility scooters. Users enjoy smoother ride quality and extended range per battery charge.
Easy Hub & Rim Installation
Designed for compatibility with standard two-piece split-rim hub assemblies, replacing old or worn mobility tires is straightforward. The split-rim fitment allows quick installation without specialized press equipment.
9 x 2 3/4" Sawtooth Tread Grey Tire Review
The 9 x 2 3/4" Sawtooth Tread Grey Tire by Rolko offers a reliable, low-maintenance upgrade for mobility users needing long-lasting durability and traction. With its non-marking grey rubber, flat-free puncture protection, and versatile sawtooth tread, it represents an ideal replacement choice for everyday power wheelchair and scooter operation.
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ROLKO NORTH AMERICA, INC.
LIMITED WARRANTY AND MEDICAL DEVICE DISCLAIMER
◎ WARRANTY AT A GLANCE ◎
◎ TERMS & COVERAGE ◎
1. Applicability and Scope
Rolko North America, Inc. (“Seller”) warrants to its business customers only (“Buyer”) that the products sold by Seller are free from defects in materials and workmanship under normal use and service. This Limited Warranty applies solely to business to business transactions. Sales to consumers are expressly excluded and are not covered. Seller acts solely as a distributor of medical equipment components and accessories. Seller does not design, manufacture, or determine the clinical suitability of products for any specific medical application unless expressly stated in writing.
2. Warranty Period
This Limited Warranty is valid for a period of six (6) months from the date of delivery to Buyer.
5. Alignment With Manufacturer Warranties
To the extent permitted by law, this Limited Warranty is intended to align with and flow down from the warranty terms provided by Seller’s upstream manufacturers and suppliers, including but not limited to Rolko Germany and MK Battery. Seller does not provide any warranty beyond those expressly stated herein or beyond what is provided by the original manufacturer.
3. Warranty Remedies
If a product is determined by Seller to be defective within the warranty period, Seller shall, at its sole discretion, do one of the following:
- Repair the defective product
- Replace the defective product with the same or a functionally equivalent product
If Seller is unable to repair or replace the product within a reasonable time, Buyer’s sole remaining remedy shall be a refund of the original purchase price paid for the defective product. These remedies constitute Buyer’s sole and exclusive remedies and Seller’s entire liability for any breach of this Limited Warranty.
◎ DISCLAIMERS & REGULATORY ◎
4. Medical Device and Regulatory Disclaimer
Products distributed by Seller may be classified as medical devices or medical device accessories under applicable U.S. and international regulations. Buyer acknowledges and agrees that Seller does not provide medical advice or clinical determinations. Buyer is solely responsible for verifying product compatibility, regulatory compliance, and suitability for Buyer’s intended use, including compliance with FDA, state, and international regulatory requirements. Final product configuration, labeling, and intended use determination rests solely with Buyer or the original equipment manufacturer. Seller makes no warranty that products are fit for any particular medical purpose, treatment, or patient application.
8. Disclaimer of Implied Warranties
EXCEPT AS EXPRESSLY SET FORTH HEREIN, SELLER MAKES NO WARRANTIES, EXPRESS OR IMPLIED. ALL IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED TO THE MAXIMUM EXTENT PERMITTED BY LAW.
◎ EXCLUSIONS & JURISDICTION ◎
6. Exclusions and Limitations
This Limited Warranty does not cover defects or damage resulting from misuse, abuse, improper installation, improper storage, alteration, modification, or repair by parties other than Seller or an authorized manufacturer. Normal wear and tear, cosmetic damage, or consumable components are excluded. Accidents, negligence, or failure to follow instructions or specifications are excluded. Indirect, incidental, special, or consequential damages including loss of profits, loss of use, downtime, labor costs, or replacement costs are excluded.
7. Notice of Defects
Buyer must notify Seller in writing of any alleged defect within ten (10) business days after discovery. Failure to provide timely notice voids this Limited Warranty for the claimed defect.
9. Governing Law and Jurisdiction
This Limited Warranty shall be governed by the laws of the State of Iowa, USA. Any dispute arising out of or relating to this Limited Warranty shall be brought exclusively in the state or federal courts located in Iowa.
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