9 x 3.50-4    9 x 3.5" KNOBBY (GRANDE)

9 x 3.50-4 (9 x 3.5") KNOBBY (GRANDE) Tire Buyer’s Guide

The 9 x 3.50-4 KNOBBY (GRANDE) tire is a rugged, high-traction option designed for mobility devices and equipment that need superior grip and off-road performance. Whether you're replacing tires on a power wheelchair, mobility scooter, or an all-terrain cart, this tire delivers dependable handling on a variety of surfaces. With its wide profile and knobby tread, it’s built for users who demand stability, traction, and durability in both everyday and challenging environments.

Heavy-Duty Knobby Tread Mobility Scooter Tire Ideal for Outdoor Performance

This knobby tread tire features an aggressive knobby tread pattern that grips loose gravel, dirt trails, grass, and uneven terrain with ease. It's an ideal choice for users who enjoy outdoor mobility or need a tire that can handle more than smooth indoor flooring. The deep tread channels also help shed mud and debris, preventing buildup that could affect traction.

9 x 3.5" Knobby Tire Added Stability

With a wider footprint than standard tires, the 9 x 3.50-4 mobility device tire offers increased stability and shock absorption. This wider profile reduces the risk of tipping and provides a smoother, more controlled ride, especially on slopes or bumpy paths.

Durable Construction for Long-Term Use

Built from high-quality rubber compounds, this knobby tread tire is designed to resist wear, cracking, and punctures. Its reinforced sidewalls add structural integrity, ensuring that it holds up well under heavy loads and frequent use, whether on rugged terrain or in urban environments.

Compatible with 4" Hub Rims

The tire is sized to fit standard 4" hub rims, making it easy to integrate with a variety of mobility devices, including certain power chairs, scooters, and outdoor carts. It’s important to confirm compatibility with your existing hub and axle setup before purchase.

9 x 3.50-4 (9 x 3.5") KNOBBY (GRANDE) Tire Smooth Transition Across Surfaces

While optimized for off-road use, the knobby tread is also designed to provide decent performance on flat indoor surfaces. The tire offers enough grip to maintain control without excessive vibration or drag when transitioning between environments.

Easy to Replace and Maintain

The 9 x 3.5" Knobby tire is easy to mount with the proper tools and fits most standard 4" rims. Regular inspections and basic inflation maintenance are all that’s required to keep it performing optimally for months of consistent use.

9 x 3.50-4 KNOBBY (GRANDE) Tire Review

Users consistently recommend this tire for its reliable traction, rugged design, and excellent ride stability. It’s a go-to choice for anyone who takes their mobility device beyond paved walkways, offering peace of mind and performance where standard tires fall short.