3.00-8" (14x3") Solid Star Keyway All Weather Tread
Puncture-proof Solid Star Filled foam tire for Pride & Quantum power wheelchairs — 350 x 70 mm on a 55 mm rim bed, available in Grey, Black, and Dark Grey.
The Rolko Solid Star Keyway is a maintenance-free, puncture-proof replacement tire built for Pride and Quantum power wheelchairs. Its Solid Star Filled foam core means no tubes, no air, and no flats — ever.
The R-101 all-weather tread delivers reliable grip on pavement, tile, gravel, and wet surfaces, while the 55 mm rim-bed design drops straight onto compatible Pride and Quantum wheels. Choose Grey, Black, or Dark Grey to match your chair.
3.00-8 power wheelchair tire Features
Never Goes FlatSolid Star Filled foam core is completely puncture-proof — no tubes, no air, no repairs.
Pride & Quantum FitEngineered for Pride and Quantum power wheelchairs with a 55 mm rim bed for a direct swap.
All-Weather R-101 TreadGrips pavement, tile, gravel, and wet surfaces for confident year-round traction.
Three ColorsSelect Grey, Black, or Dark Grey to match your wheelchair’s look.
14x3 solid star keyway tire Specifications
Pride Quantum drive tire replacement Available Colors
puncture proof power chair tire Measurement Guide
Use the diagram to match every critical measurement before you buy. The outer diameter is 350 mm and the tire width is 70 mm, seating on a 55 mm rim bed — the exact geometry of the factory tires on Pride and Quantum chairs.
Measure your existing tire across the full diameter and across the tread face. If your numbers land on 350 x 70 mm with the 70-200 ETRTO code, this Solid Star Keyway is a guaranteed direct fit.
55mm rim bead powerchair tire Customer Reviews
“Swapped these onto my Quantum with zero fuss. No more worrying about flats on gravel paths.”
— Daniel R.
“The dark grey matches my chair perfectly and the tread grips well in the rain.”
— Susan M.
“Solid, well made, and no air to check. Exactly what I needed as a replacement.”
— George T.
3.00-8" (14x3") Solid Star Keyway All Weather Tread Tire Buyer’s Guide
The 3.00-8" (14x3") Solid Star Keyway All Weather Tread Tire by Rolko is a premium, flat-free drive wheel replacement designed specifically for power wheelchairs like Pride and Quantum models. Featuring a solid polyurethane foam-filled core, it completely eliminates maintenance and air pressure monitoring while delivering smooth, high-traction performance across outdoor and indoor environments.
Puncture-Proof Solid Star Filled Core
Built with a Solid Star foam insertion, this drive tire provides a 100% flat-free guarantee. Users never have to worry about flat tires from sharp debris, nails, or glass, removing downtime and eliminating the need for periodic air pressure checks.
3.00-8" Solid Star Keyway Weight & Speed Ratings
Engineered for reliable daily power mobility, this tire supports a maximum load weight of up to 90 kg (200 lbs) per wheel and is rated for power chair speeds up to 12 km/h (7.5 mph). Its durable build easily absorbs road vibration without flexing or degrading over time.
All-Weather R-101 Tread Pattern
Equipped with an advanced R-101 all-weather tread design, the tire provides superior grip across diverse surface conditions—including wet pavement, polished indoor tile, gravel, and packed grass—ensuring stable handling and braking safety year-round.
Direct Pride & Quantum Fitment
Designed specifically with a 55 mm rim-bed profile and keyway structure, this tire offers a seamless direct-replacement fit for standard Pride and Quantum power wheelchair drive wheel hubs without requiring additional adapters or modifications.
Non-Marking Color Options
Available in Grey, Black, and Dark Grey finishes, the tire compound is specially formulated to be non-marking, preventing unsightly scuffs or streaks on hardwood floors, tile, or linoleum during indoor maneuvering.
Precise Metric Dimensions
Featuring exact specifications of 350 mm outer diameter by 70 mm width (ETRTO code 70-200), it matches standard 14x3 drive wheel assemblies for a precise, stable fit on compatible power bases.
Integrated Keyway Mounting
The internal keyway drive system locks securely onto the power chair motor axle shaft, providing instant torque transfer without slipping under heavy acceleration or uphill climbs.
3.00-8" Solid Star Keyway Review
The 3.00-8" (14x3") Solid Star Keyway All Weather Tread Tire by Rolko is an outstanding drive tire replacement for power wheelchair owners. Combining zero-maintenance puncture-proof reliability, excellent multi-surface grip, and direct compatibility with major power bases like Pride and Quantum, it delivers long-lasting peace of mind and smooth daily mobility.
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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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