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Parts & Accessories

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Need replacement Tubes? Please Choose the correct size.


Replace and refresh the feel of your Sports chair with 72mm casters all the way around. Or make fine tune adjustments to your chair with mini 59mm micro casters. Typically used to adjust the rear wheel height.


Kenda makes an excelent tire for sports or everyday use.


The M2 Ratcheting Click strap comes in a 8″, 10″ and 12″ variation and is designed to securely attach you to your wheelchair all while insuring comfort and durability. Good for securing hips, knees, and feet the M2 Strap is engineered with quality materials to insure durability and style!


Primo V-Track/Racer tires are a great choice for your everyday or sport needs! The Primo is the tire that comes Standard on our chairs.  At a very reasonable price this is the recommended OEM replacement tire for all PER4MAX models! Tires sold separately!


(2 customer reviews)

Show Your Team USA P4X Pride with a new Snapback!


Also known as “The Jeff”, this long sleeve hooded t-shirt is the epitome of comfort and style. The Jeff is not only perfect on its own, but also great for layering.

PR1MO Sentinel Black Tire

The Primo Sentinel Wheelchair Tire is a non-marking black tire with a grooved tread pattern that provides premium traction, while minimizing rolling resistance.  A dual layer nylon casing and 3mm LDP anti-puncture insert prevents long-term debris accumulation while maintaining the integrity or a lighter rolling, longer lasting tire.


  • Available in 24″, 25″ or 26″
  • Directional Tire
  • Tires sold individually

CLASSIC PER4MAX T-SHIRT ( Multiple Color Options)

The Classic PER4MAX T-shirt Is Currently Available in Royal Blue/Silver, Purple/Black, Red/Gold, Army Green/Black, Grey/White, Black/Silver


1/2″ Quick Release Axle complete with nut and P4X Logo for Everyday Chairs.

Schwalbe Speed Air Tire

Schwalbe “SpeedAir” Wheelchair Tires are designed for the elite level athlete looking to maximize chair performance. Ideal for competitive wheelchair basketball, the Schwalbe SpeedAir handles up to 145 PSI/ 10 Bars, resulting in ultra low rolling resistance and responsive chair handling. The “SpeedAir” offers 50/50 tread pattern with a thin angled strip to ride on, and a knurled outside for maximum grip. Tires sold separately.

Available in 24″- 25″- 26″


Put the Blue in Red, White and Blue with the Limited Blue/Silver Classic PER4MAX T-shirt; The Perfect Classic Tee For Your 4th of July Celebrations!

Custom Anodized Soft-Roll Casters (Sold Individually)

The PER4MAX Anodized Soft-Roll Casters (Available in 4×1.5 and 5×1.5) are designed for all active wheelchair users looking for the ultimate smooth ride.


As a result of their lightweight yet durable design, this 1.5 width caster wheel will give you a quick roll and an easy turn. Additionally, the rounded poly-tire offers little resistance for maximum maneuverability. Available in an assortment of custom colors!


Pull up on the scene this holiday season in your limited edition 20th Anniversary T-Shirt. Give the gift of PER4MAX – while supplies last!

  • Moisture-wicking performance joins unbeatable tri-blend softness in this throw-on-and-go tee.
  • 4.3-ounce 50/38/12 poly/ring spun combed cotton/rayon 30 singles with triple-needle stitching throughout, self-fabric neck binding, heat transfer label for tag-free comfort, heat transfer New Era® flag logo on left sleeve.

SCHWALBE Marathon Plus Tire

The Schwalbe Marathon Plus Tire incorporates a 5mm- Thick SmartGuard layer that almost eliminates flats over the course of the tires’s life span.  A portion of the protection belt is made of recycled natural rubber, with “anti-aging” sidewall construction that can withstand typical overloading caused by low inflation for much longer.  Tire operates at 145ps/ 10 bar offering reduced rolling resistance while protecting you from punctures through dangerous obstacles such as broken glass and thorns. Wheel with confidence on any surface with Schwalbe Marathon Plus, the ultimate upgrade for your everyday wheelchair! Tires sold individually.

Available in 24″, 25″ 26″ X 1″

(25-540, 559, 590)

Schwalbe Rightrun Tire Pair

Schwalbe Right Run Wheelchair Tire offers 2 grips on smooth sidewalls that are gentle on the hands and also features a Puncture Protection belt! Don’t worry about skid-marks on floors because Schwalbe uses their very own revolutionary central tread compound, Black’n’Roll, developed in Schwalbe’s labs.


  • Available in 24″, 25″, and 26″
  • 23-540, 559, 590
  • Available in Grey/ Black only

27” IRC Exeracer Pro Tire

The Exeracer Pro tire offers several benefits that no other tire has. Silica is mixed into their tread compound to achieve a unique grip and performance that only IRC has. They don’t lose their grip over time and and stay on the 27″ rim better than any other brand! The rubber is also antibacterial! Available for 27″ wheel only. Tires sold individually.

P4X SNAPBACK (Graphite)

There’s nothing better than a classic black P4X snapback ! They are our most requested piece of merch and a clear fan-favorite. Check out our latest styles – while supplies last!


Celebrate 20 Years of PER4min to the MAX with our limited edition 20th Anniversary Tanks. Available in Black and White.

  • 4.5 ounce 100% ring spun combed cotton.
  • Features bound self trim neck and armholes, TearAway™ label, solid and contrasting trim color choices, and double needle hem.


This soft, limited-edition P4X hoodie will keep you warm and comfortable in the cooler months. Get it while supplies last!