3.00-8 (14 x 3) KNOBBY TIRE WITH STAR KEYWAY

THIS IS A 3.00-8 (14x3) FOAM FILLED KNOBBY TIRE WITH STAR PATTERN KEYWAY TAB. THIS TIRE FITS 2 PIECE WHEELS. THE KNOBBY TREAD PATTERN IS C248. THESE TIRES ARE FLAT FREE, STANDARD FILL, SOFTER RIDING. MAXIMUM RIDER WEIGHT 250 LBS.

 

 

Specs:

Brand: Primo
Tire type: Foam-Filled
Tire size: 3.00-8 (14"x3")
Tread code: C248
Tread name: Powertrax
Bead width: 2.25"
Maximum weight: 250 lbs.
Profile: Raised star keyway

Compatibility:

Jazzy 1122
Quantum Rehab Q6 Edge
Quantum Rehab Q600
Quantum Rehab R-4000

 

3.00-8 (14 x 3) Knobby Tire with Star Keyway Buyer’s Guide

The 3.00-8 (14 x 3) Knobby Tire with Star Keyway is a pneumatic mobility tire designed for use on wheelchairs, scooters, and other equipment that require reliable traction and stable performance across varied terrain. This tire size is commonly used on outdoor mobility setups, where grip, durability, and compatibility with specific hub systems are essential for consistent operation.

Construction of the 3.00-8 (14 x 3) Knobby Tire with Star Keyway

The 3.00-8 (14 x 3) Knobby Tire with Star Keyway is constructed from durable rubber compounds designed to withstand repeated use across different environments. The structure is built to maintain shape under load while providing flexibility needed for terrain adaptation. This construction supports both indoor and outdoor mobility applications. The materials are selected to resist wear from rolling over rough surfaces such as pavement, gravel, and compact dirt.

Tread Design of the 3.00-8 (14 x 3) Knobby Tire with Star Keyway

The 3.00-8 (14 x 3) Knobby Tire with Star Keyway features a knobby tread pattern designed to improve traction on uneven and loose surfaces. The raised tread elements create multiple contact points with the ground, enhancing grip during movement. This design is particularly useful for outdoor mobility where surfaces may vary. The tread pattern helps maintain control when navigating terrain such as grass, gravel, or rough pavement.

Size Explanation and Fitment

The 3.00-8 (14 x 3) sizing indicates a tire designed to fit an 8-inch rim with an overall inflated diameter of approximately 14 inches and a width of 3 inches. This sizing is commonly used in mobility equipment that requires a balance between stability and maneuverability. Understanding tire size is important for proper fitment. Matching the correct tire dimensions ensures compatibility with the existing wheel and maintains safe operation.

Star Keyway Compatibility

This tire is designed with a star keyway interface, allowing it to integrate with compatible wheel hubs that use a keyed drive system. The star keyway helps ensure a secure connection between the tire and the wheel assembly. Proper compatibility with the hub system is essential for performance and safety. The keyway design prevents slippage and supports efficient power transfer in powered mobility devices.

Terrain Performance and Outdoor Use

This tire is optimized for use across a variety of terrains, particularly outdoor environments. The knobby tread provides traction on surfaces such as grass, gravel, and uneven pathways. While it can be used indoors, its performance advantages are most noticeable in outdoor conditions. The design supports stability and control when navigating less predictable terrain.

Compatibility with Mobility Equipment

The 3.00-8 knobby tire is commonly used on mobility scooters, powered wheelchairs, and certain manual wheelchair configurations. Fitment depends on matching both the tire size and hub interface. This tire is often selected as a replacement or upgrade for equipment used in outdoor settings. Ensuring compatibility with the existing wheel system is necessary before installation.

Knobby Wheelchair Tire with Star Keyway Durability and Wear Characteristics

The rubber compound and tread design are intended to resist wear from repeated use on abrasive surfaces. The tire is built to maintain its structure and traction properties over time. Durability is especially important for users who rely on their mobility equipment in demanding environments. The design supports long-term use without frequent replacement.

Maintenance and Tire Care

Routine maintenance helps preserve tire performance and safety. Users should regularly check air pressure, inspect the tread for wear, and ensure proper mounting on the wheel. Keeping the tire properly inflated supports optimal traction and reduces uneven wear. Regular inspection helps maintain consistent operation across different terrains.

3.00-8 (14 x 3) Knobby Tire with Star Keyway Review

The 3.00-8 (14 x 3) Knobby Tire with Star Keyway is designed to provide reliable traction, durable construction, and compatibility with keyed wheel systems used in mobility equipment. Its knobby tread pattern supports stable performance across a range of outdoor surfaces. With its focus on terrain adaptability, structural durability, and proper fitment, this tire functions as a practical replacement option for users seeking consistent performance in both mobility scooters and wheelchair applications.